Remove test code

	}

	public function updateUsageInPreferences(array $usage = []) {

		// test

		$xyz = [1];

		echo $xyz[4]->newProperty;

		$this->noSuchProperty->noSuchFunction();

		// test 2

		// test 3

		$testVariable = "Test data";

		$this->noSuchFunction();

		try {

			if (empty($usage)) {

				return;