New J2K: Split old j2k and new j2k tests

j2k/testData/fileOrElement/whileStatement/whileWithAssignmentAsExpression.new.kt

@@ -1,10 +0,0 @@
-class SomeClass {
-    internal var a = 0
-    internal var b = 0
-    internal fun doSomeWhile(i: Int) {
-        while (i < 0) {
-            b = i
-            a = b
-        }
-    }
-}

j2k/testData/fileOrElement/whileStatement/whileWithBlock.java

@@ -1,4 +1,2 @@
 //statement
-int a = 0
-int b = 0
 while (a > b) {int i = 1; i = i + 1;}

j2k/testData/fileOrElement/whileStatement/whileWithBlock.kt

@@ -1,5 +1,3 @@
-val a = 0
-val b = 0
 while (a > b) {
     var i = 1
     i = i + 1

j2k/testData/fileOrElement/whileStatement/whileWithExpression.java

@@ -1,3 +1,2 @@
 //statement
-int i = 0;
 while (true) i = i + 1;

j2k/testData/fileOrElement/whileStatement/whileWithExpression.kt

@@ -1,2 +1 @@
-var i = 0
 while (true) i = i + 1