Run yarn install install the dependencies of all workspaces, including the root project.
Subsequently, run yarn workspaces run build to transpile all custom libraries' typescript code into javascript code to their dist folders.
Run npx jest to run all jest projects.
Jest project names can be found in the jest.config.ts file of the respective project. The property is 'displayName'.
Run npx jest --selectProjects <projectname> to run a specific jest project only
Run npx jest --ignoreProjects <projectname> to exclude jest projects from running