Fix unit tests

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

tests/unit/Middleware/OnlyLoggedInMiddlewareTest.php

@@ -43,7 +43,7 @@ protected function setUp(): void {
 			$this->userSession
 		);
 
-		return parent::setUp();
+		parent::setUp();
 	}
 
 	public function testBeforeControllerWithoutAnnotation() {

tests/unit/Settings/AdminTest.php

@@ -48,7 +48,7 @@ protected function setUp(): void {
 			$this->config
 		);
 
-		return parent::setUp();
+		parent::setUp();
 	}
 
 	public function formDataProvider() {

tests/unit/Settings/SectionTest.php

@@ -40,7 +40,7 @@ protected function setUp(): void {
 			$this->urlGenerator
 		);
 
-		return parent::setUp();
+		parent::setUp();
 	}
 
 	public function testGetId() {