Applied fixes from StyleCI

tests/GenerateDocumentationTest.php

@@ -64,9 +64,9 @@ class GenerateDocumentationTest extends TestCase
         $output = $this->artisan('api:generate', [
             '--routePrefix' => 'api/*',
         ]);
-        
-        $generatedMarkdown = file_get_contents(__DIR__ . '/../public/docs/source/index.md');
-        $fixtureMarkdown   = file_get_contents(__DIR__ . '/Fixtures/index.md');
+
+        $generatedMarkdown = file_get_contents(__DIR__.'/../public/docs/source/index.md');
+        $fixtureMarkdown = file_get_contents(__DIR__.'/Fixtures/index.md');
         $this->assertSame($generatedMarkdown, $fixtureMarkdown);
     }