Fix formatting of TestDatePicker declaration

Author: martijnrusschen

src/test/timepicker_test.test.tsx

@@ -16,7 +16,8 @@ import {
 import type { DatePickerProps } from "../index";
 
 const MIN_TIME_LI_LEN = 2;
-const TestDatePicker = DatePicker as unknown as React.ComponentType<DatePickerProps>;
+const TestDatePicker =
+  DatePicker as unknown as React.ComponentType<DatePickerProps>;
 
 describe("TimePicker", () => {
   let datePicker: HTMLDivElement;