Update CI

Author: rdesarz

.github/workflows/build.yml

@@ -43,7 +43,7 @@ jobs:
       - name: Run tests with coverage
         run: |
           pytest \
-            --cov ./tests \
+            --cov=biped_walking_controller \
             --cov-report=xml \ 
             --cov-report=term-missing:skip-covered