PMC-1378 Create/Fix unit tests for the feature "GMail API email server"

tests/unit/workflow/engine/methods/emailServer/EmailServerTest.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Tests\unit\workflow\engine\methods\emailServer;
+
+use ProcessMaker\Model\User;
+use RBAC;
+use Tests\TestCase;
+
+class EmailServerTest extends TestCase
+{
+    /**
+     * This test ensures that the script output generates the javascript variable 
+     * EMAILSERVER_LICENSED.
+     * @test
+     */
+    public function it_should_verify_the_script_output_contains_javascript_variable()
+    {
+        global $RBAC;
+
+        $user = User::where('USR_ID', '=', 1)
+                ->get()
+                ->first();
+
+        $_SESSION['USER_LOGGED'] = $user['USR_UID'];
+        $_POST['USR_UID'] = $user['USR_UID'];
+
+        $RBAC = RBAC::getSingleton(PATH_DATA, session_id());
+        $RBAC->initRBAC();
+        $RBAC->loadUserRolePermission('PROCESSMAKER', $_SESSION['USER_LOGGED']);
+
+        ob_start();
+        require_once PATH_METHODS . 'emailServer/emailServer.php';
+        $content = ob_get_clean();
+
+        $this->assertContains("EMAILSERVER_LICENSED", $content);
+    }
+}