fix(tests): inherit server identity deadline policy

Remove per-case ten-second overrides from MCP catalog and identity checks. Keep the suite-owned bounded ordinary and coverage deadlines, all assertions, and session cleanup.

Fixes #4967

tests/boundary/mcp/serverIdentity.test.ts

@@ -359,7 +359,7 @@ describe("live server identity over MCP", () => {
         session.close(),
       ]);
     }
-  }, 10_000);
+  });
 
   it("compares the caller's digest against the selected compact tools/list catalog", async () => {
     const session = createTestBinarySession(availabilityProvider());
@@ -401,7 +401,7 @@ describe("live server identity over MCP", () => {
         session.close(),
       ]);
     }
-  }, 10_000);
+  });
 });
 
 describe("active-target availability over MCP", () => {
@@ -463,7 +463,7 @@ describe("active-target availability over MCP", () => {
         session.close(),
       ]);
     }
-  }, 10_000);
+  });
 });
 
 const PLIST_XML =