Allow tests to be run from anywhere

Author: multiplemonomials

.github/workflows/basic_checks.yml

@@ -180,8 +180,7 @@ jobs:
       - name: Python Tests
         run: |
           source venv/bin/activate
-          cd tools
-          ./run_python_tests.sh
+          tools/run_python_tests.sh
 
   check-cmsis-mcu-descriptions-matches-target-list:
     runs-on: ubuntu-latest

tools/run_python_tests.sh

@@ -13,6 +13,7 @@
 # $ pip install ./tools[unit-tests]
 
 set -e
+cd "$(dirname "$0")"
 
 PYTHON=python