Merge pull request #5 from bpedroza/laravel-7

Add mailer expectation

Author: bpedroza

src/LaravelMailAssertions/MakesMailAssertions.php

@@ -197,5 +197,6 @@ private function mockMailFacade()
         });
 
         Mail::shouldReceive('failures');
+        Mail::shouldReceive('mailer')->andReturn($this->getEmailSender());
     }
 }