fix compilation error

platform/testGuiFramework/src/com/intellij/testGuiFramework/impl/GuiTestCase.kt

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.testGuiFramework.impl
 
 import com.intellij.openapi.fileChooser.ex.FileChooserDialogImpl
@@ -387,7 +373,7 @@ open class GuiTestCase {
     return fixture.rowCount()
   }
 
-  fun waitForPanelToDisappear(panelTitle: String, timeout: Timeout = 300000) {
+  fun waitForPanelToDisappear(panelTitle: String, timeout: Long = 300000) {
     Pause.pause(object : Condition("Wait for $panelTitle panel appears") {
       override fun test(): Boolean {
         try {