fix(Apps): use /orgs/ORG/installation

Signed-off-by: Andrew Ellis <[email protected]>

Author: ellisio

lib/Github/Api/Apps.php

@@ -82,7 +82,7 @@ public function getInstallationForOrganization($org)
     {
         $this->configurePreviewHeader();
 
-        return $this->get('/org/'.rawurldecode($org).'/installation');
+        return $this->get('/orgs/'.rawurldecode($org).'/installation');
     }
 
     /**

test/Github/Tests/Api/AppTest.php

@@ -66,7 +66,7 @@ public function shouldGetInstallationForOrganization()
         $api = $this->getApiMock();
         $api->expects($this->once())
             ->method('get')
-            ->with('/org/1234/installation')
+            ->with('/orgs/1234/installation')
             ->willReturn($result);
 
         $this->assertEquals($result, $api->getInstallationForOrganization('1234'));