Fix PHPUnit 8 and Travis compatability

.travis.yml

@@ -7,9 +7,9 @@ cache:
         - $HOME/.composer/cache/files
 
 php:
-    - 7.0
     - 7.1
     - 7.2
+    - 7.3
     - nightly
 
 before_install:

composer.json

@@ -28,7 +28,7 @@
     "require-dev": {
         "squizlabs/php_codesniffer": "^2.5",
         "escapestudios/symfony2-coding-standard": "^2.9",
-        "phpunit/phpunit": "^7.5.0",
+        "phpunit/phpunit": "^8.0.0",
         "wimg/php-compatibility": "^7.0"
     },
     "scripts": {

tests/Limenius/ReactRenderer/Tests/Renderer/PhpExecJsReactRendererTest.php

@@ -2,11 +2,13 @@
 
 namespace Limenius\ReactRenderer\Tests\Renderer;
 
-use Limenius\ReactRenderer\Renderer\PhpExecJsReactRenderer;
 use Limenius\ReactRenderer\Context\ContextProviderInterface;
-use Psr\Log\LoggerInterface;
+use Limenius\ReactRenderer\Exception\EvalJsException;
+use Limenius\ReactRenderer\Renderer\PhpExecJsReactRenderer;
 use Nacmartin\PhpExecJs\PhpExecJs;
+use PHPUnit\Framework\Exception;
 use PHPUnit\Framework\TestCase;
+use Psr\Log\LoggerInterface;
 use Psr\Log\LogLevel;
 
 /**
@@ -32,7 +34,7 @@ class PhpExecJsReactRendererTest extends TestCase
     /**
      * {@inheritdoc}
      */
-    public function setUp()
+    public function setUp(): void
     {
         $this->logger = $this->getMockBuilder(LoggerInterface::class)
             ->getMock();
@@ -47,11 +49,9 @@ public function setUp()
         $this->renderer->setPhpExecJs($this->phpExecJs);
     }
 
-    /**
-     * @expectedException \RuntimeException
-     */
     public function testServerBundleNotFound()
     {
+        $this->expectException(\RuntimeException::class);
         $this->renderer = new PhpExecJsReactRenderer(__DIR__.'/Fixtures/i-dont-exist.js', $this->logger, $this->contextProvider);
         $this->renderer->render('MyApp', 'props', 1, null, false);
     }
@@ -109,9 +109,6 @@ public function testReactOnRails()
         $this->renderer->render('MyApp', '{msg:"It Works!"}', 1, null, true));
     }
 
-    /**
-     * @expectedException \Limenius\ReactRenderer\Exception\EvalJsException
-     */
     public function testFailLoud()
     {
         $phpExecJs = $this->getMockBuilder(PhpExecJs::class)
@@ -120,6 +117,7 @@ public function testFailLoud()
             ->willReturn('{ "html" : "go for it", "hasErrors" : true, "consoleReplayScript": " - my replay"}');
         $this->renderer = new PhpExecJsReactRenderer(__DIR__.'/Fixtures/server-bundle.js', true, $this->contextProvider, $this->logger);
         $this->renderer->setPhpExecJs($phpExecJs);
+        $this->expectException(EvalJsException::class);
         $this->renderer->render('MyApp', 'props', 1, null, true);
     }
 
@@ -128,7 +126,7 @@ public function testFailLoud()
      */
     public function testFailLoudBubblesThrownException()
     {
-        $err = new \Exception('test exception');
+        $err = new Exception('test exception');
         $this->phpExecJs->method('createContext')->willThrowException($err);
         $this->renderer = new PhpExecJsReactRenderer(__DIR__.'/Fixtures/server-bundle.js', true, $this->contextProvider, $this->logger);
         $this->renderer->setPhpExecJs($this->phpExecJs);
@@ -159,7 +157,7 @@ public function testFailQuietReturnsEmptyErrorResultOnException()
      */
     public function testFailQuietLogsThrownExceptions()
     {
-        $err = new \Exception('test exception');
+        $err = new Exception('test exception');
         $this->phpExecJs->method('createContext')->willThrowException($err);
 
         $this->logger