Fix other tests

Author: iluuu1994

Zend/tests/inheritance/bug70957.phpt

@@ -19,4 +19,4 @@ class B extends Foo
 }
 ?>
 --EXPECTF--
-Fatal error: Declaration of T::bar() must be compatible with Foo::bar($a = 'Foo') in %s on line %d
+Fatal error: Declaration of B::bar() must be compatible with Foo::bar($a = 'Foo') in %s on line %d

Zend/tests/type_declarations/variance/trait_error.phpt

@@ -17,4 +17,4 @@ class U extends X {
 
 ?>
 --EXPECTF--
-Fatal error: Could not check compatibility between T::method($r): B and X::method($a): A, because class B is not available in %s on line %d
+Fatal error: Could not check compatibility between U::method($r): B and X::method($a): A, because class B is not available in %s on line %d