Improved code coverage
Created util function for mocking requests
Merged with latest master
Merge pull request #40 from Coenego/issue-40-coverage

Increase code coverage in existing modules
Merge branch 'master' of https://github.com/CUL-DigitalServices/grasshopper-ui into pickers
Merge branch 'master' of https://github.com/CUL-DigitalServices/grasshopper-ui into eventSeries
Merge branch 'pickers' into eventSeries