From e45e725f7fae30a30ebb479daa78d4f0c6beb54d Mon Sep 17 00:00:00 2001
From: "denis.bilenko" <denis.bilenko@databricks.com>
Date: Mon, 26 Oct 2026 08:48:24 +0000
Subject: [PATCH 1/3] acc: run
 vector_search_indexes/recreate/embedding_dimension without DMS variant

The initial deploy spends ~20 min waiting for the endpoint and index on
cloud, and DMS does not affect recreation, so the DMS=true variant doubled
the nightly cost without adding coverage.

Co-authored-by: Isaac <no-reply@databricks.com>
---
 .../recreate/embedding_dimension/out.test.toml                 | 2 +-
 .../recreate/embedding_dimension/test.toml                     | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/test.toml

diff --git a/acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/out.test.toml
index 8bfa768b35b..c32648754d8 100644
--- a/acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = true
 CloudSlow = true
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/test.toml b/acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/test.toml
new file mode 100644
index 00000000000..217cbe8f4e2
--- /dev/null
+++ b/acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/test.toml
@@ -0,0 +1,3 @@
+# The initial deploy waits ~20 min for the endpoint and index on cloud; DMS does not affect
+# recreation, so a DMS variant would double the cost without adding coverage.
+EnvMatrix.DMS = [""]

From 3909314580c420df7e721fc3822d867b32ee17d4 Mon Sep 17 00:00:00 2001
From: "denis.bilenko" <denis.bilenko@databricks.com>
Date: Mon, 26 Oct 2026 08:57:04 +0000
Subject: [PATCH 2/3] acc: drop DMS variant from all vector search tests

Co-authored-by: Isaac <no-reply@databricks.com>
---
 .../resources/vector_search_endpoints/basic/out.test.toml     | 2 +-
 .../vector_search_endpoints/drift/budget_policy/out.test.toml | 2 +-
 .../drift/recreated_same_name/out.test.toml                   | 2 +-
 .../vector_search_endpoints/drift/target_qps/out.test.toml    | 2 +-
 .../recreate/create-fails/out.test.toml                       | 2 +-
 .../recreate/endpoint_type/out.test.toml                      | 2 +-
 acceptance/bundle/resources/vector_search_endpoints/test.toml | 4 ++++
 .../update/budget_policy/out.test.toml                        | 2 +-
 .../vector_search_endpoints/update/target_qps/out.test.toml   | 2 +-
 .../resources/vector_search_indexes/basic/out.test.toml       | 2 +-
 .../drift/deleted_remotely/out.test.toml                      | 2 +-
 .../drift/orphaned_endpoint/out.test.toml                     | 2 +-
 .../vector_search_indexes/grants/select/out.test.toml         | 2 +-
 .../recreate/embedding_dimension/test.toml                    | 3 ---
 .../recreate/pending_deletion/out.test.toml                   | 2 +-
 .../recreate/with_endpoint/out.test.toml                      | 2 +-
 .../vector_search_indexes/schema_normalization/out.test.toml  | 2 +-
 acceptance/bundle/resources/vector_search_indexes/test.toml   | 4 ++++
 18 files changed, 23 insertions(+), 18 deletions(-)
 delete mode 100644 acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/test.toml

diff --git a/acceptance/bundle/resources/vector_search_endpoints/basic/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/basic/out.test.toml
index 0f167effef1..f68b4a89c36 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/basic/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/basic/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = true
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/out.test.toml
index a927a5fbc06..19b5b15d11f 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = false
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/out.test.toml
index 0f167effef1..f68b4a89c36 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = true
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/drift/target_qps/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/drift/target_qps/out.test.toml
index a927a5fbc06..19b5b15d11f 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/drift/target_qps/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/drift/target_qps/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = false
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/recreate/create-fails/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/recreate/create-fails/out.test.toml
index a927a5fbc06..19b5b15d11f 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/recreate/create-fails/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/recreate/create-fails/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = false
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/out.test.toml
index a927a5fbc06..19b5b15d11f 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = false
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/test.toml b/acceptance/bundle/resources/vector_search_endpoints/test.toml
index 0eba324f09d..9d800a7bbce 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/test.toml
@@ -6,3 +6,7 @@ Ignore = [
     "databricks.yml",
     ".databricks",
 ]
+
+# Endpoint provisioning takes ~20 min on cloud and DMS does not change how these
+# resources are deployed, so a DMS=true variant would double the cost without adding coverage.
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/update/budget_policy/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/update/budget_policy/out.test.toml
index a927a5fbc06..19b5b15d11f 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/update/budget_policy/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/update/budget_policy/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = false
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/out.test.toml
index a927a5fbc06..19b5b15d11f 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = false
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_indexes/basic/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/basic/out.test.toml
index ea4733e76f6..af08500b949 100644
--- a/acceptance/bundle/resources/vector_search_indexes/basic/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/basic/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = true
 CloudSlow = false
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/out.test.toml
index 0eea50f8645..dce770caee4 100644
--- a/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = false
 CloudSlow = true
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_indexes/drift/orphaned_endpoint/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/drift/orphaned_endpoint/out.test.toml
index 0eea50f8645..dce770caee4 100644
--- a/acceptance/bundle/resources/vector_search_indexes/drift/orphaned_endpoint/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/drift/orphaned_endpoint/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = false
 CloudSlow = true
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_indexes/grants/select/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/grants/select/out.test.toml
index ea4733e76f6..af08500b949 100644
--- a/acceptance/bundle/resources/vector_search_indexes/grants/select/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/grants/select/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = true
 CloudSlow = false
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/test.toml b/acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/test.toml
deleted file mode 100644
index 217cbe8f4e2..00000000000
--- a/acceptance/bundle/resources/vector_search_indexes/recreate/embedding_dimension/test.toml
+++ /dev/null
@@ -1,3 +0,0 @@
-# The initial deploy waits ~20 min for the endpoint and index on cloud; DMS does not affect
-# recreation, so a DMS variant would double the cost without adding coverage.
-EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/out.test.toml
index 0eea50f8645..dce770caee4 100644
--- a/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = false
 CloudSlow = true
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_indexes/recreate/with_endpoint/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/recreate/with_endpoint/out.test.toml
index 0eea50f8645..dce770caee4 100644
--- a/acceptance/bundle/resources/vector_search_indexes/recreate/with_endpoint/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/recreate/with_endpoint/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = false
 CloudSlow = true
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_indexes/schema_normalization/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/schema_normalization/out.test.toml
index ea4733e76f6..af08500b949 100644
--- a/acceptance/bundle/resources/vector_search_indexes/schema_normalization/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/schema_normalization/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = true
 CloudSlow = false
-EnvMatrix.DMS = ["", "true"]
+EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_indexes/test.toml b/acceptance/bundle/resources/vector_search_indexes/test.toml
index a5ef9f285f7..f282402b40d 100644
--- a/acceptance/bundle/resources/vector_search_indexes/test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/test.toml
@@ -9,3 +9,7 @@ Ignore = [
     "databricks.yml",
     ".databricks",
 ]
+
+# Endpoint and index provisioning takes ~20 min on cloud and DMS does not change how these
+# resources are deployed, so a DMS=true variant would double the cost without adding coverage.
+EnvMatrix.DMS = [""]

From 83227bcf5ad163d7626ec6bc985af27d9d5121cf Mon Sep 17 00:00:00 2001
From: "denis.bilenko" <denis.bilenko@databricks.com>
Date: Mon, 26 Oct 2026 13:53:25 +0000
Subject: [PATCH 3/3] acc: split vector search tests between direct and
 DMS=true

Co-authored-by: Isaac <no-reply@databricks.com>
---
 .../drift/budget_policy/out.test.toml                        | 2 +-
 .../vector_search_endpoints/drift/budget_policy/test.toml    | 3 +++
 .../drift/recreated_same_name/out.test.toml                  | 2 +-
 .../drift/recreated_same_name/test.toml                      | 3 +++
 .../recreate/endpoint_type/out.test.toml                     | 2 +-
 .../vector_search_endpoints/recreate/endpoint_type/test.toml | 3 +++
 .../bundle/resources/vector_search_endpoints/test.toml       | 5 +++--
 .../vector_search_endpoints/update/target_qps/out.test.toml  | 2 +-
 .../vector_search_endpoints/update/target_qps/test.toml      | 3 +++
 .../drift/deleted_remotely/out.test.toml                     | 2 +-
 .../vector_search_indexes/drift/deleted_remotely/test.toml   | 3 +++
 .../vector_search_indexes/grants/select/out.test.toml        | 2 +-
 .../resources/vector_search_indexes/grants/select/test.toml  | 3 +++
 .../recreate/pending_deletion/out.test.toml                  | 2 +-
 .../recreate/pending_deletion/test.toml                      | 3 +++
 .../vector_search_indexes/schema_normalization/out.test.toml | 2 +-
 .../vector_search_indexes/schema_normalization/test.toml     | 3 +++
 acceptance/bundle/resources/vector_search_indexes/test.toml  | 5 +++--
 18 files changed, 38 insertions(+), 12 deletions(-)

diff --git a/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/out.test.toml
index 19b5b15d11f..88e6fbd847c 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = false
-EnvMatrix.DMS = [""]
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/test.toml b/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/test.toml
index 396c1fe099e..f8b755c4d33 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/drift/budget_policy/test.toml
@@ -1,2 +1,5 @@
 RecordRequests = false
 Cloud = false
+
+# DMS=true half of the split; see the vector_search_* test.toml.
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/out.test.toml
index f68b4a89c36..84b22ba6735 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = true
-EnvMatrix.DMS = [""]
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/test.toml b/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/test.toml
index 5646ee98875..7793f357fc9 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/drift/recreated_same_name/test.toml
@@ -1,3 +1,6 @@
 Badness = "After deleting and recreating a vector search endpoint remotely with the same name but a different UUID, bundle plan/deploy treats it as unchanged instead of deleting and recreating it."
 
 RecordRequests = false
+
+# DMS=true half of the split; see the vector_search_* test.toml.
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/out.test.toml
index 19b5b15d11f..88e6fbd847c 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = false
-EnvMatrix.DMS = [""]
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/test.toml b/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/test.toml
index 18b1a88417e..1b576fede09 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/recreate/endpoint_type/test.toml
@@ -1 +1,4 @@
 Cloud = false
+
+# DMS=true half of the split; see the vector_search_* test.toml.
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/test.toml b/acceptance/bundle/resources/vector_search_endpoints/test.toml
index 9d800a7bbce..eb96a8c15ee 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/test.toml
@@ -7,6 +7,7 @@ Ignore = [
     ".databricks",
 ]
 
-# Endpoint provisioning takes ~20 min on cloud and DMS does not change how these
-# resources are deployed, so a DMS=true variant would double the cost without adding coverage.
+# Endpoint provisioning takes ~20 min on cloud, so running every test under both DMS variants doubles
+# the cost. Each test runs one variant instead: direct by default, DMS=true for half of
+# them (set in their own test.toml), so both paths stay covered.
 EnvMatrix.DMS = [""]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/out.test.toml b/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/out.test.toml
index 19b5b15d11f..88e6fbd847c 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/out.test.toml
@@ -1,2 +1,2 @@
 Cloud = false
-EnvMatrix.DMS = [""]
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/test.toml b/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/test.toml
index ac17c7f22fe..2fc04a3b966 100644
--- a/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/test.toml
+++ b/acceptance/bundle/resources/vector_search_endpoints/update/target_qps/test.toml
@@ -1,2 +1,5 @@
 Cloud = false
 Badness = "Updating min_qps also plans and applies permissions due to unresolved permissions object_id during planning"
+
+# DMS=true half of the split; see the vector_search_* test.toml.
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/out.test.toml
index dce770caee4..7a095308c0e 100644
--- a/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = false
 CloudSlow = true
-EnvMatrix.DMS = [""]
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/test.toml b/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/test.toml
index 396c1fe099e..f8b755c4d33 100644
--- a/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/drift/deleted_remotely/test.toml
@@ -1,2 +1,5 @@
 RecordRequests = false
 Cloud = false
+
+# DMS=true half of the split; see the vector_search_* test.toml.
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_indexes/grants/select/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/grants/select/out.test.toml
index af08500b949..f028af1f35a 100644
--- a/acceptance/bundle/resources/vector_search_indexes/grants/select/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/grants/select/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = true
 CloudSlow = false
-EnvMatrix.DMS = [""]
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_indexes/grants/select/test.toml b/acceptance/bundle/resources/vector_search_indexes/grants/select/test.toml
index 891efdc4e12..a655d5724cc 100644
--- a/acceptance/bundle/resources/vector_search_indexes/grants/select/test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/grants/select/test.toml
@@ -8,6 +8,9 @@ Env.DATABRICKS_BUNDLE_RESOURCE_MAX_WAIT = "30"
 CloudSlow = false
 Cloud = true
 
+# DMS=true half of the split; see the vector_search_* test.toml.
+EnvMatrix.DMS = ["true"]
+
 # See basic/test.toml: the cap makes deploy warn that it stopped waiting.
 [[Repls]]
 Old = 'Warn: [^\n]*Stopped waiting[^\n]*\n'
diff --git a/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/out.test.toml
index dce770caee4..7a095308c0e 100644
--- a/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = false
 CloudSlow = true
-EnvMatrix.DMS = [""]
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/test.toml b/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/test.toml
index 3ed9d70679f..b1e56a7dd1a 100644
--- a/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/recreate/pending_deletion/test.toml
@@ -1,2 +1,5 @@
 # The two-phase deletion race is simulated by the testserver, so this only runs locally.
 Cloud = false
+
+# DMS=true half of the split; see the vector_search_* test.toml.
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_indexes/schema_normalization/out.test.toml b/acceptance/bundle/resources/vector_search_indexes/schema_normalization/out.test.toml
index af08500b949..f028af1f35a 100644
--- a/acceptance/bundle/resources/vector_search_indexes/schema_normalization/out.test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/schema_normalization/out.test.toml
@@ -1,3 +1,3 @@
 Cloud = true
 CloudSlow = false
-EnvMatrix.DMS = [""]
+EnvMatrix.DMS = ["true"]
diff --git a/acceptance/bundle/resources/vector_search_indexes/schema_normalization/test.toml b/acceptance/bundle/resources/vector_search_indexes/schema_normalization/test.toml
index 7c20b959295..4e87146a0fb 100644
--- a/acceptance/bundle/resources/vector_search_indexes/schema_normalization/test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/schema_normalization/test.toml
@@ -8,6 +8,9 @@ Cloud = true
 CloudSlow = false
 Env.DATABRICKS_BUNDLE_RESOURCE_MAX_WAIT = "30"
 
+# DMS=true half of the split; see the vector_search_* test.toml.
+EnvMatrix.DMS = ["true"]
+
 # The cap makes deploy warn that it stopped waiting; see ../basic/test.toml.
 [[Repls]]
 Old = 'Warn: [^\n]*Stopped waiting[^\n]*\n'
diff --git a/acceptance/bundle/resources/vector_search_indexes/test.toml b/acceptance/bundle/resources/vector_search_indexes/test.toml
index f282402b40d..ae9255c3724 100644
--- a/acceptance/bundle/resources/vector_search_indexes/test.toml
+++ b/acceptance/bundle/resources/vector_search_indexes/test.toml
@@ -10,6 +10,7 @@ Ignore = [
     ".databricks",
 ]
 
-# Endpoint and index provisioning takes ~20 min on cloud and DMS does not change how these
-# resources are deployed, so a DMS=true variant would double the cost without adding coverage.
+# Endpoint and index provisioning takes ~20 min on cloud, so running every test under both DMS variants doubles
+# the cost. Each test runs one variant instead: direct by default, DMS=true for half of
+# them (set in their own test.toml), so both paths stay covered.
 EnvMatrix.DMS = [""]