Fix lowest tests

Author: jetexe

tests/WorkerTest.php

@@ -180,7 +180,7 @@ public function testWorkersEventFiring(): void
         $worker->start();
 
         foreach ($expected_events as $expected_event) {
-            $fake_events->assertDispatchedTimes($expected_event, 1);
+            $this->assertDispatchedTimes($fake_events, $expected_event, 1);
         }
     }
 
@@ -238,7 +238,7 @@ public function testWorkerErrorHandling(): void
 
         $worker->start();
 
-        $fake_events->assertDispatchedTimes(Events\LoopErrorOccurredEvent::class, 1);
+        $this->assertDispatchedTimes($fake_events, Events\LoopErrorOccurredEvent::class, 1);
 
         $this->assertSame(
             $exception,
@@ -296,7 +296,7 @@ public function testWorkerErrorHandlingWithMaskedException(): void
 
         $worker->start();
 
-        $fake_events->assertDispatchedTimes(Events\LoopErrorOccurredEvent::class, 1);
+        $this->assertDispatchedTimes($fake_events, Events\LoopErrorOccurredEvent::class, 1);
 
         $this->assertSame(
             $exception,
@@ -339,7 +339,7 @@ public function testWorkerErrorHandlingAfterRespond(): void
 
         $worker->start();
 
-        $fake_events->assertDispatchedTimes(Events\LoopErrorOccurredEvent::class, 1);
+        $this->assertDispatchedTimes($fake_events, Events\LoopErrorOccurredEvent::class, 1);
 
         $this->assertSame(
             $exception,
@@ -440,4 +440,19 @@ private function getPSR7ClientSuccessfulMock()
             ->withArgs($this->getHtmlResponseValidationClosure())
             ->getMock();
     }
+
+    /**
+     * @param EventFake $dispatcher
+     * @param           $event
+     * @param int       $times
+     */
+    private function assertDispatchedTimes(EventFake $dispatcher, $event, int $times)
+    {
+        $count = $dispatcher->dispatched($event)->count();
+
+        $this->assertSame(
+            $times, $count,
+            "The expected [{$event}] event was dispatched {$count} times instead of {$times} times."
+        );
+    }
 }