fix: attempt to fix floating test failed on CircleCI

'projectUpdatedKafkaHandler integration "before each" hook for "should throw exception when project not found by id"'
failed to parse [doc.lastActivityAt]

Author: maxceem

src/events/projects/index.spec.js

@@ -103,7 +103,7 @@ describe('projectUpdatedKafkaHandler', () => {
         details: {},
         createdBy: 1,
         updatedBy: 1,
-        lastActivityAt: 1,
+        lastActivityAt: '1970-01-01T00:00:00.001Z',
         lastActivityUserId: '1',
       });
       // add project to ES index