Move Api\Help

tests/src/Module/Api/ApiTest.php

@@ -33,6 +33,21 @@ use Friendica\Test\Util\AuthenticationDouble;
 
 class ApiTest extends FixtureTest
 {
+	/**
+	 * Assert that the string is XML and contain the root element.
+	 *
+	 * @param string $result       XML string
+	 * @param string $root_element Root element name
+	 *
+	 * @return void
+	 */
+	protected function assertXml(string $result = '', string $root_element = '')
+	{
+		self::assertStringStartsWith('<?xml version="1.0"?>', $result);
+		self::assertStringContainsString('<' . $root_element, $result);
+		// We could probably do more checks here.
+	}
+
 	protected function setUp(): void
 	{
 		parent::setUp(); // TODO: Change the autogenerated stub