Upgrade PHPUnit

.gitignore

@@ -1,4 +1,5 @@
 /vendor/
 /composer.lock
 /.phpcs-cache
+/.phpunit.result.cache
 

Tests/Command/DoctrineCommandTest.php

@@ -11,8 +11,6 @@ use PHPUnit\Framework\TestCase;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
 
-use function assert;
-
 class DoctrineCommandTest extends TestCase
 {
     /** @var string */
@@ -28,8 +26,6 @@ class DoctrineCommandTest extends TestCase
     public function testConfigureMigrations(): void
     {
         $configurationMock = $this->createMock(Configuration::class);
-        assert($configurationMock instanceof Configuration);
-
         $configurationMock->method('getMigrations')
             ->willReturn([]);
 

composer.json

@@ -26,7 +26,7 @@
         "doctrine/migrations": "^2.2"
     },
     "require-dev": {
-        "phpunit/phpunit": "^6.4|^7.0",
+        "phpunit/phpunit": "^7.0|^8.0|^9.0",
         "mikey179/vfsstream": "^1.6",
         "doctrine/coding-standard": "^8.0",
         "phpstan/phpstan": "^0.12",