Java to Kotlin converter: no more 2 conversion modes for each test, just a few tests to test non-standard settings

j2k/tests/testData/ast/issues/arrayLength.kt

@@ -1,7 +1,7 @@
-open class Test() {
+class Test() {
     class object {
-        public open fun foo(args: Array<String?>?): Int {
-            return args?.size!!
+        public fun foo(args: Array<String>): Int {
+            return args.size
         }
     }
 }