Add first automatic feature tests

[michalmytych]

• [ ] Account setup after registration
• [ ] Dispatching certain jobs after registration
• [ ] Properly displaying home page
• [ ] Properly displaying home page
• [ ] Displaying transactions list
• [ ] Displaying specific transaction
• [ ] Filtering transactions
• [ ] Filtering transactions
• [ ] Displaying analytics page
• [ ] Displaying imports page
• [ ] Displaying files page
• [ ] Uploading file - specific jobs are triggered
• [ ] Test validation of upload form
• [ ] Test changing settings form - recalculation jobs are triggered
• [ ] Test month report page
• [ ] Displaying budgets
• [ ] Test editing budgets
• [ ] Test calculating budgets consumption
• [ ] Test displaying institutions list
• [ ] Test displaying details for institution
• [ ] Test sync triggering (mock Nordigen)
• [ ] Test deleting requisition
• [ ] Test listing synchronizations
• [ ] Test listing import settings
• [ ] Test listing columns mappings
• [ ] Test listing users
• [ ] Test editing users
• [ ] Test displaying user details
• [ ] Test displaying meta data about server
• [ ] Test changing profile picture
• [ ] Test displaying devices
• [ ] Test sending notifications when device hijacked
• [ ] Test synchronization process
• [ ] Test transactions import process
• [ ] Test if notifs are send to right users
• [ ] Test listing notifications