fix(tests): Adjust users for test

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

tests/Integration/Api/ApiV2Test.php

@@ -33,6 +33,9 @@
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use Test\TestCase;
 
+/**
+ * @group DB
+ */
 class ApiV2Test extends TestCase {
 	/** @var GuzzleHttp\Client */
 	private $http;
@@ -197,9 +200,21 @@ private function setTestForms() {
 	 */
 	public function setUp(): void {
 		parent::setUp();
+		$userManager = \OC::$server->getUserManager();
+		if (!$userManager->userExists('test')) {
+			$user = $userManager->createUser('test', 'test');
+			$user->setDisplayName('Test Displayname');
+		}
+		foreach ([1, 2, 3] as $number) {
+			if (!$userManager->userExists("user$number")) {
+				$user = $userManager->createUser("user$number", "user$number");
+				$user->setDisplayName("User No. $number");
+			}
+		}
+
 		$this->setTestForms();
 
-		$qb = TestCase::$realDatabase->getQueryBuilder();
+		$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
 
 		// Write our test forms into db
 		foreach ($this->testForms as $index => $form) {
@@ -302,7 +317,7 @@ public function setUp(): void {
 
 	/** Clean up database from testforms */
 	public function tearDown(): void {
-		$qb = TestCase::$realDatabase->getQueryBuilder();
+		$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
 
 		foreach ($this->testForms as $form) {
 			$qb->delete('forms_v2_forms')