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

java/java-tests/testData/refactoring/introduceVariable/samePackageRef/after/pack1/A.java

@@ -0,0 +1,7 @@
+package pack1;
+
+public class A {
+    void method() {
+        B b = new B();
+    }
+}

java/java-tests/testData/refactoring/introduceVariable/samePackageRef/after/pack1/B.java

@@ -0,0 +1,4 @@
+package pack1;
+
+class B {
+}