ctrl + f 'apps/mock-chronik-client/' only appears once in build-configurations.ymlTest on js-mocha suite that does not require mock-chronik-client: `./contrib/teamcity/build-configurations.py ecashaddrjs-tests`
Test on js-mocha suite that does require mock-chronik-client: `./contrib/teamcity/build-configurations.py ecash-herald-tests`