.github: workflows: Black box testing fix

This fix pulls West in black box testing.
Previously changes in West could break it.

Signed-off-by: Lukasz Mrugala <[email protected]>

Author: LukaszMrugala

.github/workflows/blackbox_tests.yml

@@ -46,6 +46,15 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v3
 
+    - name: Environment Setup
+      run: |
+        echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+        west init -l . || true
+        west config --global update.narrow true
+        west update --path-cache /github/cache/zephyrproject 2>&1 1> west.update.log || west update --path-cache /github/cache/zephyrproject 2>&1 1> west.update.log || ( rm -rf ../modules ../bootloader ../tools && west update --path-cache /github/cache/zephyrproject)
+        west forall -c 'git reset --hard HEAD'
+
     - name: Set Up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with: