do not need parenthesis for associative operations (IDEADEV-41569); move to java-tests

java/java-tests/testData/refactoring/introduceVariable/InsideWhile.after.java

@@ -0,0 +1,9 @@
+class Test {
+    public void method() {
+        int i = 0;
+        while(i < 100) {
+            int temp = i++ * 2;
+            sum += temp;
+        }
+    }
+}