IDEA-121234 IDEA can not update method return type

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/methodReturn/afterIncorrectInHierarchy.java

@@ -0,0 +1,18 @@
+// "Make 'get' return 'Callable<java.lang.Integer>'" "true"
+interface Gettable<T> {
+  Callable<Integer> get();
+}
+
+public class Issue<T> implements Gettable<T> {
+  public Callable<Integer> get() {
+
+    return new Callable<Integer>() {
+      public Integer call() {
+        return 0;
+      }
+    };
+
+  }
+}
+
+class Callable<T> {}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/methodReturn/beforeIncorrectInHierarchy.java

@@ -0,0 +1,18 @@
+// "Make 'get' return 'Callable<java.lang.Integer>'" "true"
+interface Gettable<T> {
+  Callable<Integer> get();
+}
+
+public class Issue<T> implements Gettable<T> {
+  public void get() {
+
+    return new Call<caret>able<Integer>() {
+      public Integer call() {
+        return 0;
+      }
+    };
+
+  }
+}
+
+class Callable<T> {}