Update apps/settings/tests/Command/AdminDelegation/AddTest.php

Co-authored-by: Côme Chilliet <91878298+come-nc@users.noreply.github.com>
Signed-off-by: Mikhailo Matiyenko-Kupriyanov <145785698+printminion-co@users.noreply.github.com>

Author: printminion-co

apps/settings/tests/Command/AdminDelegation/AddTest.php

@@ -47,10 +47,7 @@ protected function setUp(): void {
 	 * Helper method to execute the command using reflection since execute() is protected
 	 */
 	private function executeCommand(): int {
-		$reflection = new \ReflectionClass($this->command);
-		$method = $reflection->getMethod('execute');
-		$method->setAccessible(true);
-		return $method->invokeArgs($this->command, [$this->input, $this->output]);
+		return self::invokePrivate($this->command, 'execute', [$this->input, $this->output]);
 	}
 
 	public function testExecuteSuccessfulDelegation(): void {