Enable dpctl_ext tests in conda test scripts

Author: vlad-perevezentsev

conda-recipe/run_test.bat

@@ -39,3 +39,6 @@ if %errorlevel% neq 0 exit 1
 
 "%PYTHON%" -m pytest -ra --pyargs dpnp
 if %errorlevel% neq 0 exit 1
+
+"%PYTHON%" -m pytest -ra --pyargs dpctl_ext
+if %errorlevel% neq 0 exit 1

conda-recipe/run_test.sh

@@ -38,3 +38,4 @@ set -e
 $PYTHON -c "import dpnp; print(dpnp.__version__)"
 $PYTHON -m dpctl -f
 $PYTHON -m pytest -ra --pyargs dpnp
+$PYTHON -m pytest -ra --pyargs dpctl_ext