Merge branch '8.x'

Author: GrahamCampbell

src/Illuminate/Support/Testing/Fakes/BusFake.php

@@ -201,7 +201,13 @@ public function assertChained(array $expectedChain)
         if ($command instanceof Closure) {
             [$command, $callback] = [$this->firstClosureParameterType($command), $command];
         } elseif (! is_string($command)) {
-            $command = get_class($command);
+            $instance = $command;
+
+            $command = get_class($instance);
+
+            $callback = function ($job) use ($instance) {
+                return serialize($this->resetChainPropertiesToDefaults($job)) === serialize($instance);
+            };
         }
 
         PHPUnit::assertTrue(
@@ -219,6 +225,22 @@ public function assertChained(array $expectedChain)
             : $this->assertDispatchedWithChainOfClasses($command, $expectedChain, $callback);
     }
 
+    /**
+     * Reset the chain properties to their default values on the job.
+     *
+     * @param  mixed  $job
+     * @return mixed
+     */
+    protected function resetChainPropertiesToDefaults($job)
+    {
+        return tap(clone $job, function ($job) {
+            $job->chainConnection = null;
+            $job->chainQueue = null;
+            $job->chainCatchCallbacks = null;
+            $job->chained = [];
+        });
+    }
+
     /**
      * Assert if a job was dispatched with an empty chain based on a truth-test callback.
      *