Converter tests:

Change test data files extension to "java"

j2k/tests/testData/ast/formatting/staticMembersWithComments.java

@@ -0,0 +1,27 @@
+//file
+class F {
+
+  //c1
+
+  /*c2*/
+
+  static void f1() {
+  }
+
+
+  //c3
+
+
+
+
+  //c4
+
+  static void f2() {
+  }
+  static Integer i = 0;
+
+  static void f3() {
+  }
+
+  //c5
+}