Enable pytest vebose mode

Author: antonwolfy

conda-recipe/run_test.sh

@@ -37,4 +37,4 @@ set -e
 
 $PYTHON -c "import dpnp; print(dpnp.__version__)"
 $PYTHON -m dpctl -f
-$PYTHON -m pytest -ra --pyargs dpnp
+$PYTHON -m pytest -ra -sv --pyargs dpnp