qualify this with containing class (IDEA-49251)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/qualifyThis/before2.java

@@ -0,0 +1,10 @@
+// "Qualify this expression with 'Test'" "false"
+class Test {
+  void foo(Test t){}
+  static class Foo {
+    Foo() {
+      foo(thi<caret>s);
+    }
+  }
+}
+