syntax for flag and lets try the --test flag and see what happens

Author: ilaflott

.github/workflows/build_conda.yml

@@ -39,7 +39,8 @@ jobs:
 
           # conda build
           mkdir -p /app/fre-nctools-tarball
-          conda build . --build --no-anaconda-upload --package-format tar.bz2 --output-folder /app/fre-nctools-tarball || echo "conda build failed, guarding. artifact upload will fail instead."
+          conda build . --build-only --no-anaconda-upload --package-format tar.bz2 --output-folder /app/fre-nctools-tarball || echo "conda build failed, guarding. artifact upload will fail instead."
+          conda build --test $(ls /app/fre-nctools-tarball/noarch/fre-nctools-*.tar.bz2)
 
 #      # highly desired...
 #      - name: Upload test-suite.log