pull up/push down: type parameters substitution should modify member copy (IDEA-53496)

java/java-tests/testData/refactoring/pullUp/GenericsInImplements.java

@@ -0,0 +1,10 @@
+public class Parent<S> {}
+
+interface I<IT> {
+  void method(IT t);
+}
+
+class Child<T> extends Parent<T> implements I<T>{
+  <caret>
+  public void method(T t){}
+}