Includes the twemoji assets and a check output that runs all tests
except e2e.
Updates to test/support/heartwood-version must also be reflected in
flake.nix in inputs.heartwood.url.
It’s not necessary anymore to add the folder with the heartwood test
binaries to `PATH` before running the end-to-end tests.
Signed-off-by: Thomas Scholtes <geigerzaehler@axiom.fm>
Michael Raitza