[java] More tests for preview; minor fixes

GitOrigin-RevId: 7f72c5f68ab821e728eb0d5152f0910f48035046

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/addCatchBlock/after3.java

@@ -1,14 +1,14 @@
-// "Add 'catch' clause(s)" "true"
+// "Add 'catch' clause(s)" "true-preview"
 class a {
     void g() throws Exception {
     }
 
-    // initializer
+   // initializer
     {
         try {
-            // comment before
+           // comment before
             g();
-            // comment after
+           // comment after
         } catch (Exception e) {
             <caret><selection>throw new RuntimeException(e);</selection>
         }