minor update on build command

Author: cvanelteren

.github/workflows/build.yml

@@ -77,10 +77,9 @@ jobs:
             CFLAGS=-I${{ GEO_SRC_DIR }}/include
             LDFLAGS=-L${{ GEO_SRC_DIR }}/lib
           CIBW_TEST_COMMAND: >
-            cd {project}
-            pip install pytest
-            python -m pytest --cov="mpl_toolkits.basemap"
-            --cov-report=term --ignore=dist --ignore=build
+            cd {project} &&
+            pip install pytest pytest-cov &&
+            python -m pytest --cov="mpl_toolkits.basemap" --cov-report=term --ignore=dist --ignore=build
 
         run: |
           cd ${{ env.PKGDIR }}