diff --git a/tests/boundary/mcp/applicationEvidenceMcp.test.ts b/tests/boundary/mcp/applicationEvidenceMcp.test.ts
index aad1ae6e3d..e9a1bce2a1 100644
--- a/tests/boundary/mcp/applicationEvidenceMcp.test.ts
+++ b/tests/boundary/mcp/applicationEvidenceMcp.test.ts
@@ -151,6 +151,13 @@ async function runUnicodeSourceMapComparison(
   expect(validateOutput(reply.structuredContent)).toBe(true);
 }
 
+/** A project-ignored exclusion without the pattern that admission requires. */
+const exclusionWithoutPattern = {
+  path: "vendor/removed.ts",
+  entry_kind: "file",
+  reason: "project-ignored",
+} as const;
+
 async function runInlineWorkflowScenarios(
   harness: ApplicationMcpHarness,
 ): Promise<void> {
@@ -247,13 +254,7 @@ async function runInlineWorkflowScenarios(
     ...SOURCE_TO_BUNDLE_COMPARISON_EXAMPLE.reference,
     root_sha256: undefined,
     inventory_state: "partial",
-    exclusions: [
-      {
-        path: "vendor/removed.ts",
-        reason: "project-ignored",
-        pattern: "vendor/",
-      },
-    ],
+    exclusions: [{ ...exclusionWithoutPattern, pattern: "vendor/" }],
   });
   const argumentsWithExclusion = {
     ...SOURCE_TO_BUNDLE_COMPARISON_EXAMPLE,
@@ -271,7 +272,7 @@ async function runInlineWorkflowScenarios(
     ...argumentsWithExclusion,
     reference: {
       ...referenceWithExclusion,
-      exclusions: [{ path: "vendor/removed.ts", reason: "project-ignored" }],
+      exclusions: [exclusionWithoutPattern],
     },
   };
   expect(