Replace timeout on multiple setTimout calls

Author: kelunik

src/AsyncTestCase.php

@@ -196,6 +196,10 @@ final protected function setTimeout(int $timeout)
     {
         $this->timeout = $timeout;
 
+        if (isset($this->timeoutId)) {
+            Loop::cancel($this->timeoutId);
+        }
+
         $this->timeoutId = Loop::delay($timeout, function () use ($timeout) {
             Loop::stop();
             Loop::setErrorHandler(null);

test/AsyncTestCaseTest.php

@@ -121,6 +121,16 @@ public function testSetTimeout(): \Generator
         $this->assertNull(yield delay(250));
     }
 
+    public function testSetTimeoutReplace(): \Generator
+    {
+        $this->setTimeout(500);
+        $this->setTimeout(1000);
+
+        yield delay(750);
+
+        $this->expectNotToPerformAssertions();
+    }
+
     public function testSetTimeoutWithCoroutine(): \Generator
     {
         $this->setTimeout(100);