rename interfaces

Author: Girgias

Zend/tests/type_declarations/abstract_generics/extended_interface_redeclares_method.phpt

@@ -3,11 +3,11 @@ Abstract generic type behaviour in extended interface which redeclares method
 --FILE--
 <?php
 
-interface I1<T> {
+interface I<T> {
     public function foo(T $param): int;
 }
 
-interface I2<S> extends I1<S> {
+interface J<S> extends I<S> {
     public function foo(S $param): int;
 }