Initialise submodules and install package dependencies:
git submodule update --init --recursive
npm install
First time to install cypress on MacOS may require
./node_modules/.bin/cypress install
./node_modules/.bin/cypress open
or
$(npm bin)/cypress open
Then select the *.spec to run. e.g.
./node_modules/.bin/cypress run --spec "cypress/integration/carta/spectralLineFitting.spec.js"