Use broader name for trait (#15)

Author: jasonmccreary

README.md

@@ -17,12 +17,12 @@ Afterwards, add the trait to your base `TestCase` class:
 <?php
 namespace Tests;
 
-use JMac\Testing\Traits\HttpTestAssertions;
+use JMac\Testing\Traits\AdditionalAssertions;
 use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
 
 abstract class TestCase extends BaseTestCase
 {
-    use CreatesApplication, HttpTestAssertions;
+    use CreatesApplication, AdditionalAssertions;
 }
 ```
 

src/Traits/HttpTestAssertions.php renamed to src/Traits/AdditionalAssertions.php

@@ -6,7 +6,7 @@
 use PHPUnit\Framework\Assert as PHPUnitAssert;
 use Symfony\Component\HttpFoundation\Request as SymfonyRequest;
 
-trait HttpTestAssertions
+trait AdditionalAssertions
 {
     public function assertRouteUsesFormRequest(string $routeName, string $formRequest)
     {