Fix last PRs failing test

Author: cursedcoder

test/Github/Tests/Api/GitData/CommitsTest.php

@@ -16,7 +16,7 @@ public function shouldShowCommitUsingSha()
         $api = $this->getApiMock();
         $api->expects($this->once())
             ->method('get')
-            ->with('repos/KnpLabs/php-github-api/commits/123')
+            ->with('repos/KnpLabs/php-github-api/git/commits/123')
             ->will($this->returnValue($expectedValue));
 
         $this->assertEquals($expectedValue, $api->show('KnpLabs', 'php-github-api', 123));