Execute action without writeActionPriority in tests

idea/src/org/jetbrains/kotlin/idea/ProgressUtil.kt

@@ -41,16 +41,20 @@ fun <T : Any> runInReadActionWithWriteActionPriorityWithPCE(f: () -> T): T {
 
 fun <T : Any> runInReadActionWithWriteActionPriority(f: () -> T): T? {
     var r: T? = null
-    val complete = ProgressIndicatorUtils.runInReadActionWithWriteActionPriority {
+    if (!with(ApplicationManager.getApplication()) { isDispatchThread && isUnitTestMode }) {
+        val complete = ProgressIndicatorUtils.runInReadActionWithWriteActionPriority {
+            r = f()
+        }
+
+        if (!complete) return null
+    }
+    else {
         r = f()
     }
 
-    if (!complete) return null
     return r
 }
 
-
-
 fun <T : Any> Project.runSynchronouslyWithProgress(progressTitle: String, canBeCanceled: Boolean, action: () -> T): T? {
     var result: T? = null
     ProgressManager.getInstance().runProcessWithProgressSynchronously({ result = action() }, progressTitle, canBeCanceled, this)