Add PHPUnit dev dependency and remove HHVM test env

.travis.yml

@@ -1,31 +1,22 @@
 language: php
-
+dist: trusty
 sudo: false
 
 php:
   - 5.4
   - 5.5
   - 5.6
+  - 7.0
 
 matrix:
   fast_finish: true
-    allow_failures:
-        - php: hhvm
-
   include:
     - php: 5.3
-          env: COMPOSER_FLAGS="--prefer-lowest"
       dist: precise
-        - php: 7.0
-          before_script:
-            - curl -sSfL -o ~/.phpenv/versions/7.0/bin/phpunit https://phar.phpunit.de/phpunit-5.7.phar
-        - php: hhvm
-          before_script:
-            - curl -sSfL -o ~/.phpenv/versions/hhvm/bin/phpunit https://phar.phpunit.de/phpunit-5.7.phar
+      env: COMPOSER_FLAGS="--prefer-lowest"
 
+before_script:
+  - composer update --no-interaction --no-progress --no-suggest ${COMPOSER_FLAGS}
 
-before_install:
-    - travis_retry composer self-update
-
-install:
-    - composer update ${COMPOSER_FLAGS} --no-interaction
+script:
+  - vendor/bin/phpunit -v

composer.json

@@ -12,6 +12,9 @@
         "php": ">=5.3.2",
         "symfony/event-dispatcher": "^2.3 || ^3.0 || ^4.0"
     },
+    "require-dev": {
+        "phpunit/phpunit": "^4.8.36 || ^6.4"
+    },
     "autoload": {
         "psr-0": { "Jmikola": "src/" }
     },

tests/Jmikola/Tests/WildcardEventDispatcher/LazyListenerPatternTest.php

@@ -3,8 +3,9 @@
 namespace Jmikola\Tests\WildcardEventDispatcher;
 
 use Jmikola\WildcardEventDispatcher\LazyListenerPattern;
+use PHPUnit\Framework\TestCase;
 
-class LazyListenerPatternTest extends \PHPUnit_Framework_TestCase
+class LazyListenerPatternTest extends TestCase
 {
     /**
      * @expectedException InvalidArgumentException

tests/Jmikola/Tests/WildcardEventDispatcher/ListenerPatternTest.php

@@ -3,8 +3,9 @@
 namespace Jmikola\Tests\WildcardEventDispatcher;
 
 use Jmikola\WildcardEventDispatcher\ListenerPattern;
+use PHPUnit\Framework\TestCase;
 
-class ListenerPatternTest extends \PHPUnit_Framework_TestCase
+class ListenerPatternTest extends TestCase
 {
     /**
      * @dataProvider providePatternsAndMatches

tests/Jmikola/Tests/WildcardEventDispatcher/WildcardEventDispatcherFunctionalTest.php

@@ -4,8 +4,9 @@ namespace Jmikola\Tests\WildcardEventDispatcher;
 
 use Jmikola\WildcardEventDispatcher\WildcardEventDispatcher;
 use Symfony\Component\EventDispatcher\Event;
+use PHPUnit\Framework\TestCase;
 
-class WildcardEventDispatcherFunctionalTest extends \PHPUnit_Framework_TestCase
+class WildcardEventDispatcherFunctionalTest extends TestCase
 {
     const coreRequest = 'core.request';
     const coreException = 'core.exception';

tests/Jmikola/Tests/WildcardEventDispatcher/WildcardEventDispatcherTest.php

@@ -4,8 +4,9 @@ namespace Jmikola\Tests\WildcardEventDispatcher;
 
 use Jmikola\WildcardEventDispatcher\WildcardEventDispatcher;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use PHPUnit\Framework\TestCase;
 
-class EventDispatcherTest extends \PHPUnit_Framework_TestCase
+class EventDispatcherTest extends TestCase
 {
     private $dispatcher;
     private $innerDispatcher;