upgrade to PHPUnit 8

Author: othillo

.travis.yml

@@ -28,7 +28,8 @@ install:
   - composer info
 
 script:
-  - vendor/bin/phpunit --exclude-group=none
+  - vendor/bin/phpunit
+  - vendor/bin/phpunit --group=functional
   - git log $(git describe --abbrev=0 --tags)...HEAD --no-merges --pretty=format:"* [%h](http://github.com/${TRAVIS_REPO_SLUG}/commit/%H) %s (%cN)"
 
 branches:

composer.json

@@ -34,7 +34,7 @@
       }
     ],
     "require-dev": {
-      "phpunit/phpunit": "^5.0"
+      "phpunit/phpunit": "^8.0"
     },
     "autoload": {
         "psr-4": {

phpunit.xml.dist

@@ -8,7 +8,6 @@
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false"
-         syntaxCheck="false"
          bootstrap="vendor/autoload.php"
 >
   <testsuites>

test/ElasticSearchRepositoryFactoryTest.php

@@ -13,9 +13,9 @@
 
 use Broadway\Serializer\Serializer;
 use Elasticsearch\Client;
-use PHPUnit_Framework_TestCase;
+use PHPUnit\Framework\TestCase;
 
-class ElasticSearchRepositoryFactoryTest extends PHPUnit_Framework_TestCase
+class ElasticSearchRepositoryFactoryTest extends TestCase
 {
     /**
      * @test

test/ElasticSearchRepositoryTest.php

@@ -78,16 +78,16 @@ public function it_creates_an_index_with_non_analyzed_terms()
 
     /**
      * @test
-     * @expectedException \Assert\InvalidArgumentException
      */
     public function it_throws_when_saving_a_readmodel_of_other_type_than_configured()
     {
+        $this->expectException('Assert\InvalidArgumentException');
         $readModel = $this->prophesize('\Broadway\ReadModel\Identifiable');
 
         $this->repository->save($readModel->reveal());
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         $this->client->indices()->delete(['index' => 'test_index']);