[WIP][POC] the PhpUnit tests can now build and use various environments

drawbacks: the application startup was emulated since it is not compatible with a custom env. when launched with the CLI (it rely on the session in an incompatible way)

test/testFramework/ItopTestCaseEnvWithDeltaTest.php

@@ -0,0 +1,32 @@
+<?php
+/*
+ * Copyright (C) 2013-2021 Combodo SARL
+ * This file is part of iTop.
+ * iTop is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * iTop is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ * You should have received a copy of the GNU Affero General Public License
+ */
+
+
+use Combodo\iTop\Test\UnitTest\ItopDataTestCase;
+use Combodo\iTop\Test\UnitTest\ItopTestCase;
+use PHPUnit\Framework\TestCase;
+
+class ItopTestCaseTest extends ItopDataTestCase
+{
+	const TEST_ITOP_ENV_DEFAULT = 'withDeltaXml';
+
+	public function testSetupItopEnvProductedEnv()
+	{
+		$this->assertSame('test-withDeltaXml', MetaModel::GetEnvironment());
+		$this->assertSame('test-withDeltaXml', utils::GetCurrentEnvironment());
+
+		$this->assertSame('I am translated', Dict::S('module-test-foo-keyword'));
+	}
+}