fixes test

Author: Michele Orselli

test/unit/FilesExistTest.php

@@ -6,20 +6,22 @@ class FilesExistTest extends \PHPUnit_Framework_TestCase
 {
     public function testFileArePresentInRepo()
     {
-        $this->assertFileExists('./.gitignore');
-        $this->assertFileExists('./.env_sample');
-        $this->assertFileExists('./.travis.yml');
-        $this->assertFileExists('./.codeclimate.yml');
-        $this->assertFileExists('./CHANGELOG.md');
-        $this->assertFileExists('./CODE_OF_CONDUCT.md');
-        $this->assertFileExists('./CONTRIBUTING.md');
-        $this->assertFileExists('./.github/ISSUE_TEMPLATE');
-        $this->assertFileExists('./LICENSE.md');
-        $this->assertFileExists('./.github/PULL_REQUEST_TEMPLATE');
-        $this->assertFileExists('./README.md');
-        $this->assertFileExists('./TROUBLESHOOTING.md');
-        $this->assertFileExists('./USAGE.md');
-        $this->assertFileExists('./USE_CASES.md');
+        $rootDir = __DIR__ . '/../..';
+
+        $this->assertFileExists("$rootDir/.gitignore");
+        $this->assertFileExists("$rootDir/.env_sample");
+        $this->assertFileExists("$rootDir/.travis.yml");
+        $this->assertFileExists("$rootDir/.codeclimate.yml");
+        $this->assertFileExists("$rootDir/CHANGELOG.md");
+        $this->assertFileExists("$rootDir/CODE_OF_CONDUCT.md");
+        $this->assertFileExists("$rootDir/CONTRIBUTING.md");
+        $this->assertFileExists("$rootDir/.github/ISSUE_TEMPLATE");
+        $this->assertFileExists("$rootDir/LICENSE.md");
+        $this->assertFileExists("$rootDir/.github/PULL_REQUEST_TEMPLATE");
+        $this->assertFileExists("$rootDir/README.md");
+        $this->assertFileExists("$rootDir/TROUBLESHOOTING.md");
+        $this->assertFileExists("$rootDir/USAGE.md");
+        $this->assertFileExists("$rootDir/USE_CASES.md");
 
         $composeExists = file_exists('./docker-compose.yml') || file_exists('./docker/docker-compose.yml');
         $this->assertTrue($composeExists);