Merge branch 'ttrig/trait'

Author: seregazhuk

README.md

@@ -38,7 +38,7 @@ composer require seregazhuk/react-promise-testing --dev
 ```
 
 ## Quick Start
-Use the trait `seregazhuk\React\PromiseTesting\AssertPromise` or extend your
+Use the trait `seregazhuk\React\PromiseTesting\AssertsPromise` or extend your
 test classes from `seregazhuk\React\PromiseTesting\TestCase` class,
 which itself extends PHPUnit `TestCase`.
 
@@ -53,7 +53,27 @@ final class MyTest extends TestCase
         $this->assertPromiseFulfillsWithInstanceOf($promise, ResponseInterface::class);
     }
 }
+```
+
+Using the trait:
+
+```php
+
+use PHPUnit\Framework\TestCase;
+use seregazhuk\React\PromiseTesting\AssertsPromise;
+
+final class MyTest extends TestCase
+{
+    use AssertsPromise;
 
+    /** @test */
+    public function promise_fulfills_with_a_response_object()
+    {
+        $browser = new Clue\React\Buzz\Browser($this->eventLoop());
+        $promise = $browser->get('http://www.google.com/');
+        $this->assertPromiseFulfillsWithInstanceOf($promise, ResponseInterface::class);
+    }
+}
 ```
 
 Test above checks that a specified promise fulfills with an instance of `ResponseInterface`. 

src/AssertPromise.php renamed to src/AssertsPromise.php

@@ -10,7 +10,7 @@
 use React\Promise\PromiseInterface;
 use React\Promise\Timer\TimeoutException;
 
-trait AssertPromise
+trait AssertsPromise
 {
     protected $defaultWaitTimeout = 2;
 

src/TestCase.php

@@ -6,7 +6,7 @@
 
 abstract class TestCase extends PHPUnitTestCase
 {
-    use AssertPromise;
+    use AssertsPromise;
 
     protected function setUp(): void
     {