diff --git a/agents/common/src/test/java/com/dbx/agent/MetadataConstraintCoverageTest.java b/agents/common/src/test/java/com/dbx/agent/MetadataConstraintCoverageTest.java
index ea15d6ac12..d5b4c5567d 100644
--- a/agents/common/src/test/java/com/dbx/agent/MetadataConstraintCoverageTest.java
+++ b/agents/common/src/test/java/com/dbx/agent/MetadataConstraintCoverageTest.java
@@ -35,7 +35,13 @@ class MetadataConstraintCoverageTest {
         Map<String, String> coverage = readCoverageMatrix(agentsRoot.resolve("metadata-constraint-coverage.tsv"));
         Set<String> discovered = discoverCustomMetadataDrivers(agentsRoot.resolve("drivers"));
 
-        assertEquals(discovered, coverage.keySet());
+        // One-directional on purpose: every driver with a custom metadata override must be
+        // documented, but the matrix may also document drivers that only customize other
+        // metadata surfaces (e.g. column/primary-key queries via INFORMATION_SCHEMA) without
+        // overriding the listing methods this test discovers.
+        Set<String> undocumented = new HashSet<>(discovered);
+        undocumented.removeAll(coverage.keySet());
+        assertTrue(undocumented.isEmpty(), "custom metadata drivers missing from coverage matrix: " + undocumented);
     }
 
     @Test