chore(actions): actually error in CI if tests fail

.github/workflows/ci.yml

@@ -115,4 +115,9 @@ jobs:
         run: nix develop -c pesde install --locked
 
       - name: Run tests
-        run: nix develop -c lune run tests
+        shell: nix develop -c bash
+        run: |
+          # HACK: Since the exit code isn't properly reflected due to frktest not returning
+          # the correct status on test fails, we have to parse the output and check ourselves
+          output="$(lune run tests extract | tee /dev/tty)"
+          tail -n 1 <<< $output | sed 's/\x1b\[[0-9;]*m//g' | grep -q "status: OK"