add pytest to workflow

Author: cvanelteren

.github/workflows/build.yml

@@ -64,12 +64,14 @@ jobs:
             python -c "import utils; utils.GeosLibrary('${{ env.GEO_VERSION }}').build('extern', njobs=16)"
           CIBW_ENVIRONMENT: >
             GEOS_DIR=/project/extern
-            CPATH=/projectextern/include
+            CPATH=/project/extern/include
             LIBRARY_PATH=/project/extern/lib
             LD_LIBRARY_PATH=/project/extern/lib
             SETUPTOOLS_USE_DISTUTILS=stdlib
           CIBW_TEST_COMMAND: >
-            cd {project} && python -m pytest --cov="mpl_toolkits.basemap"
+            cd project
+            pip install pytest
+            python -m pytest --cov="mpl_toolkits.basemap"
             --cov-report=term --ignore=dist --ignore=build
           CIBW_BUILD: "cp39-* cp310-* cp311-* cp312-*"
         run: |