Java: Don't offer "surround with statement" actions for 'case' and 'default' clauses (IDEA-204012)

java/java-tests/testData/codeInsight/generation/surroundWith/java/SurroundSwitchBreakWithIf.java

@@ -0,0 +1,8 @@
+class C {
+    void foo(int n) {
+        switch (n) {
+            case 1:
+                <selection>break;</selection>
+        }
+    }
+}

java/java-tests/testData/codeInsight/generation/surroundWith/java/SurroundSwitchBreakWithIf_after.java

@@ -0,0 +1,10 @@
+class C {
+    void foo(int n) {
+        switch (n) {
+            case 1:
+                if () {
+                    break;
+                }
+        }
+    }
+}

java/java-tests/testData/codeInsight/generation/surroundWith/java/SurroundSwitchCaseWithIf.java

@@ -0,0 +1,8 @@
+class C {
+    void foo(int n) {
+        switch (n) {
+            <selection>case 1:</selection>
+            break;
+        }
+    }
+}