Merge pull request #98 from junaidbinfarooq/bugfix/fix-psr-4-autoloading-and-code-style

Fixes PSR4 auto-loading and code style issues

Author: devmaslov

Tests/TheCodingMachine/Graphqlite/Bundle/Tests/Command/DumpSchemaCommandTest.php renamed to Tests/Command/DumpSchemaCommandTest.php

@@ -1,17 +1,15 @@
 <?php
 
-
 namespace TheCodingMachine\Graphqlite\Bundle\Tests\Command;
 
-
 use PHPUnit\Framework\TestCase;
+use Symfony\Bundle\FrameworkBundle\Console\Application;
 use Symfony\Component\Console\Tester\CommandTester;
 use TheCodingMachine\Graphqlite\Bundle\Tests\GraphqliteTestingKernel;
-use Symfony\Bundle\FrameworkBundle\Console\Application;
 
 class DumpSchemaCommandTest extends TestCase
 {
-    public function testExecute()
+    public function testExecute(): void
     {
         $kernel = new GraphqliteTestingKernel();
         $application = new Application($kernel);
@@ -20,7 +18,7 @@ public function testExecute()
         $commandTester = new CommandTester($command);
         $commandTester->execute([]);
 
-        $this->assertRegExp(
+        self::assertMatchesRegularExpression(
             '/type Product {[\s"]*seller: Contact\s*name: String!\s*price: Float!\s*}/',
             $commandTester->getDisplay()
         );