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

java/java-tests/testData/refactoring/introduceVariable/DuplicateGenericExpressions.java

@@ -0,0 +1,11 @@
+class Foo2<T> {
+    Foo2<? extends Runnable> getList() {
+        return null;
+    }
+
+    {
+        Foo2<T> f = new Foo2<T>();
+        Object a = <selection>f.getList()</selection>;
+        Object b = f.getList();
+    }
+}