mir,mir_2_15: Disable UdevWrapperTest.UdevMonitorDoesNotTriggerBefore…

…Enabling

Failure seems to have been noticed by upstream, I assume they'll look into it:
canonical/mir#3716 (comment)

pkgs/servers/mir/common.nix

@@ -159,7 +159,12 @@ stdenv.mkDerivation (finalAttrs: {
     # BadBufferTest.test_truncated_shm_file *doesn't* throw an error as the test expected, mark as such
     # https://github.com/canonical/mir/pull/1947#issuecomment-811810872
     (lib.cmakeBool "MIR_SIGBUS_HANDLER_ENVIRONMENT_BROKEN" true)
-    (lib.cmakeFeature "MIR_EXCLUDE_TESTS" (lib.strings.concatStringsSep ";" [ ]))
+    (lib.cmakeFeature "MIR_EXCLUDE_TESTS" (
+      lib.strings.concatStringsSep ";" [
+        # https://github.com/canonical/mir/issues/3716#issuecomment-2580698552
+        "UdevWrapperTest.UdevMonitorDoesNotTriggerBeforeEnabling"
+      ]
+    ))
     # These get built but don't get executed by default, yet they get installed when tests are enabled
     (lib.cmakeBool "MIR_BUILD_PERFORMANCE_TESTS" false)
     (lib.cmakeBool "MIR_BUILD_PLATFORM_TEST_HARNESS" false)