Retype: better results presentation, fixed a couple more desync cases, add failing test

java/java-tests/testData/retype/Braces.java

@@ -0,0 +1,9 @@
+class Braces {
+  void bar() {
+
+  }
+
+  void baz() {
+
+  }
+}

java/java-tests/testData/retype/Import.java

@@ -0,0 +1,10 @@
+public class Import {
+    public void foo() {
+        Arrays.asList();
+    }
+
+    private static class Arrays {
+        public static void asList() {
+        }
+    }
+}

java/java-tests/testSrc/com/intellij/internal/retype/JavaRetypeTest.kt

@@ -0,0 +1,32 @@
+// 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.internal.retype
+
+import com.intellij.JavaTestUtil
+import com.intellij.ide.IdeEventQueue
+import com.intellij.openapi.editor.impl.EditorImpl
+import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase
+
+/**
+ * @author yole
+ */
+abstract class JavaRetypeTest : LightCodeInsightFixtureTestCase() {
+  override fun getBasePath(): String = JavaTestUtil.getRelativeJavaTestDataPath()
+
+  fun _testBraces() {
+    doTest()
+  }
+
+  fun _testImport() {
+    doTest()
+  }
+
+  private fun doTest() {
+    val filePath = "/retype/${getTestName(false)}.java"
+    myFixture.configureByFile(filePath)
+    RetypeSession(project, myFixture.editor as EditorImpl, 0, 0).start()
+    while (editor.getUserData(RETYPE_SESSION_KEY) != null) {
+      IdeEventQueue.getInstance().flushQueue()
+    }
+    myFixture.checkResultByFile(filePath)
+  }
+}