templates/cypress-tests: Fix tests and code coverage reports
templates/cypress-tests: Fix code coverage data generation
swh-web assets were not compiled in test mode and thus istanbul babel plugin (generating coverage data) were not included in the generated js files.
Coverage report is now correctly generated and coverage info for js files are now properly displayed in Phabricator Diff UI.
templates/cypress-tests: Fix uploaded mochawesome HTML report display
Using the includes parameter of publishHTML pipeline step is no longer needed and prevents proper display of the mochawesome HTML report in Jenkins Web UI.
Migrated from D5923 (view on Phabricator)