Sinon fake timers in before each and after each to avoid collision wi…

…th other tests

Issue: CLDSRV-408

tests/unit/api/apiUtils/versioning.js

@@ -621,12 +621,20 @@ describe('versioning helpers', () => {
     });
 
     describe('overwritingVersioning', () => {
-        sinon.useFakeTimers();
         const days = 3;
-        const now = Date.now();
         const archiveInfo = {
             'archiveID': '126783123678',
         };
+        const now = Date.now();
+        let clock;
+
+        beforeEach(() => {
+            clock = sinon.useFakeTimers(now);
+        });
+
+        afterEach(() => {
+            clock.restore();
+        });
 
         [
             {