Allow Tests to Not Report Slow EDT Operations

Android Studio project is experiencing flakiness in tests due to ExecutionTestCase:

```
      assertEquals("No ignored errors should happen during execution tests", 0, errorLoggingHappened);
```

platform/platform-impl/src/com/intellij/openapi/actionSystem/impl/ActionUpdater.kt

@@ -684,6 +684,9 @@ private fun reportSlowEdtOperation(action: Any,
                                    operationName: String,
                                    currentEDTPerformMillis: Long,
                                    edtTraces: List<Throwable>?) {
+  if (application.isUnitTestMode) {
+    return
+  }
   var edtTraces1 = edtTraces
   val throwable: Throwable = PluginException.createByClass(
     elapsedReport(currentEDTPerformMillis, true, operationName) + REVISE_AUT_MSG_SUFFIX, null, action.javaClass)