Function formParser

tests/unit/middleware-parse.test.js:123–131

		mockReq.headers["content-type"] = "application/x-www-form-urlencoded";
		mockReq.body = "key=value&foo=bar";
		const formParser = body => {
			const result = {};
			body.split("&").forEach(pair => {
				const [key, value] = pair.split("=");
				result[key] = value;
			});

			return result;
		};
		mockReq.server.parsers.set("application/x-www-form-urlencoded", formParser);

		parse(mockReq, mockRes, mockNext);