qa: adapt code to follow project styles

Evidently, aligning operators is not allowed in this project.
(I wish the required style guide was published with the project...)

Author: weierophinney

src/RequestIntegrationTest.php

@@ -121,9 +121,9 @@ public function testMethodWithInvalidArguments($method)
     public function getInvalidMethods()
     {
         return [
-            'null'   => [null],
-            'false'  => [false],
-            'array'  => [['foo']],
+            'null' => [null],
+            'false' => [false],
+            'array' => [['foo']],
             'object' => [new \stdClass()],
         ];
     }

src/ResponseIntegrationTest.php

@@ -83,11 +83,11 @@ public function testStatusCodeInvalidArgument($statusCode)
     public function getInvalidStatusCodeArguments()
     {
         return [
-            'true'     => [true],
-            'string'   => ['foobar'],
-            'too-low'  => [99],
+            'true' => [true],
+            'string' => ['foobar'],
+            'too-low' => [99],
             'too-high' => [600],
-            'object'   => [new \stdClass()],
+            'object' => [new \stdClass()],
         ];
     }