Fix CS/WS issues

Author: sebastianbergmann

src/Framework/MockObject/Builder/InvocationMocker.php

@@ -270,7 +270,7 @@ private function ensureTypeOfReturnValues(array $values): void
                     \sprintf(
                         'Method %s may not return value of type %s, its return declaration is "%s"',
                         $configuredMethod->getName(),
-                        is_object($value) ? \get_class($value) : \gettype($value),
+                        \is_object($value) ? \get_class($value) : \gettype($value),
                         $configuredMethod->getReturnTypeDeclaration()
                     )
                 );

src/Framework/MockObject/ConfigurableMethod.php

@@ -45,7 +45,7 @@ public function mayReturn($value): bool
 
         return $this->returnType->isAssignable(Type::fromValue($value, false));
     }
-    
+
     public function getReturnTypeDeclaration(): string
     {
         return $this->returnType->getReturnTypeDeclaration();