* PDF view fixes
* updated package.lock
* fix failing tests
* restore test
* use fake web worker for tests
* test fixes
* test fixes
* disable i18n test
* test fixes
* fix random failing test core search/comment/auth/user
* fix node delete directive
* fix lint issues
* node restore fix
* fix comment test
* remove fdescribe
* fix tests and tslint
* fix upload test
* unsubscribe success event task test
* copy comment object during test
* use the data pipe performance improvement and standard usage
* uncomment random test
* fix comment date random failing test
* disposable unsubscribe
* fix start process
* remove fdescribe
* change start process test and remove commented code
* fix error event check double click
* clone object form test
* refactor date time test
* fix service mock
* fix test dropdown and context
* git hook lint
* fix language test
* unsubscribe documentlist event test
* fix disposable error
* fix console log service error document list
* unusbscribe search test
* clear input field
* remove wrong test
