public function testNoArchive() {
		$this->skipIf(
			ini_get('phar.readonly') == '1',
			'INI setting phar.readonly = On'
		);
		$result = $this->library->archive(
			$this->_testPath . '/library_test_plugin',
			$this->_testPath . '/library_test_plugin'
		);
		$this->assertFalse($result);

		$expected = "/Could not create archive from/";
		$result = $this->library->response->error;
		$this->assertPattern($expected, $result);
	}