test: coverage to 100%

src/util/strftime.ts

@@ -1,19 +1,5 @@
 import { changeCase, padStart, padEnd } from './underscore'
-
-export interface LiquidDate {
-  getTime(): number;
-  getMilliseconds(): number;
-  getSeconds(): number;
-  getMinutes(): number;
-  getHours(): number;
-  getDay(): number;
-  getDate(): number;
-  getMonth(): number;
-  getFullYear(): number;
-  getTimezoneOffset(): number;
-  toLocaleTimeString(): string;
-  toLocaleDateString(): string;
-}
+import { LiquidDate } from './liquid-date'
 
 const rFormat = /%([-_0^#:]+)?(\d+)?([EO])?(.)/
 const monthNames = [