Apply fixes from StyleCI

Author: StyleCIBot

tests/Support/SupportStringableTest.php

@@ -173,17 +173,17 @@ public function testWhenContainsAll()
             return $stringable->studly();
         }));
     }
-    
+
     public function testDirname()
     {
         $this->assertSame('/framework/tests', (string) $this->stringable('/framework/tests/Support')->dirname());
         $this->assertSame('/framework', (string) $this->stringable('/framework/tests/Support')->dirname(2));
-        
+
         $this->assertSame('/', (string) $this->stringable('/framework/')->dirname());
-        
+
         $this->assertSame('/', (string) $this->stringable('/')->dirname());
         $this->assertSame('.', (string) $this->stringable('.')->dirname());
-        
+
         //  without slash
         $this->assertSame('.', (string) $this->stringable('framework')->dirname());
     }