Fix Test errors

Description: Removing use of context to prevent junit test errors

Commit: Fix

TaskNumber:#5
Adding all checkin for the same day

Description: Flow for checkin addition to one day is functional.
Saving and restoring data from shared preferences.

Condition to check if we are in the same day is done.
Next Steps:
 - Copy checkin data from shared preferences to database.
 - Calculate worked hours
 - Update today object

Commit: Add

TaskNumber: #5