diff --git a/tests/Validation/ValidationValidatorTest.php b/tests/Validation/ValidationValidatorTest.php
index 167711851fab..ead8724728b5 100755
--- a/tests/Validation/ValidationValidatorTest.php
+++ b/tests/Validation/ValidationValidatorTest.php
@@ -5938,7 +5938,7 @@ public function testValidateTimezoneWithAllWithBCOption()
         $v = new Validator($trans, ['foo' => 'Europe/Kyiv'], ['foo' => 'Timezone:All_with_BC']);
         $this->assertTrue($v->passes());
 
-        $v = new Validator($trans, ['foo' => 'Europe/Kiev'], ['foo' => 'Timezone:All_with_BC']);
+        $v = new Validator($trans, ['foo' => 'Europe/Kyiv'], ['foo' => 'Timezone:All_with_BC']);
         $this->assertTrue($v->passes());
 
         $v = new Validator($trans, ['foo' => 'indian/christmas'], ['foo' => 'Timezone:All_with_BC']);
@@ -5947,7 +5947,7 @@ public function testValidateTimezoneWithAllWithBCOption()
         $v = new Validator($trans, ['foo' => 'GMT'], ['foo' => 'Timezone:All_with_BC']);
         $this->assertTrue($v->passes());
 
-        $v = new Validator($trans, ['foo' => 'GB'], ['foo' => 'Timezone:All_with_BC']);
+        $v = new Validator($trans, ['foo' => 'Europe/London'], ['foo' => 'Timezone:All_with_BC']);
         $this->assertTrue($v->passes());
 
         $v = new Validator($trans, ['foo' => ['this_is_not_a_timezone']], ['foo' => 'Timezone:All_with_BC']);