IDEA-123782 "Complete current statement" doesn't put colon for case branches

java/java-tests/testData/codeInsight/completeStatement/CaseColon.java

@@ -0,0 +1,8 @@
+
+class Foo {
+    void foo(String a) {
+        switch (a) {
+            case "asdf<caret>"
+        }
+    }
+}