store entire stack trace after error instead of message

Author: marickvantuil

src/Email.php

@@ -317,7 +317,7 @@ public function markAsFailed(Exception $exception)
         $this->update([
             'sending' => 0,
             'failed'  => 1,
-            'error'   => $exception->getMessage(),
+            'error'   => (string) $exception,
         ]);
     }
 

tests/SendEmailsCommandTest.php

@@ -72,7 +72,7 @@ function if_an_email_fails_to_be_sent_it_should_be_logged_in_the_database()
         $this->artisan('email:send');
 
         $this->assertTrue($email->fresh()->hasFailed());
-        $this->assertEquals('Simulating some random error', $email->fresh()->getError());
+        $this->assertContains('Simulating some random error', $email->fresh()->getError());
     }
 
     /** @test */