test: add echo translator tests

tests/Prime/Translation/EchoTranslatorTest.php

@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of the PHPFlasher package.
+ * (c) Younes KHOUBZA <younes.khoubza@gmail.com>
+ */
+
+namespace Flasher\Tests\Prime\Translation;
+
+use Flasher\Prime\Translation\EchoTranslator;
+use Flasher\Tests\Prime\TestCase;
+
+class EchoTranslatorTest extends TestCase
+{
+    /**
+     * @return void
+     */
+    public function testEchoTranslator()
+    {
+        $translator = new EchoTranslator();
+
+        $this->assertEquals('en', $translator->getLocale());
+        $this->assertEquals('PHPFlasher', $translator->translate('PHPFlasher'));
+    }
+}