Tests refactored

tests/commonUtils.ts

@@ -0,0 +1,13 @@
+import { MockResponseInit } from "jest-fetch-mock";
+
+export const htmlRes = (translation: string, className = "result-container") => `
+        <div>
+            <div class=${className}>
+                ${translation}
+            </div>
+        </div>
+`;
+
+export const resolveFetchWith = (params: string | MockResponseInit) => (
+    fetchMock.mockResponseOnce(async () => params)
+);