fix: change working directory

Author: sevenbunu

.github/workflows/self-hosted.yml

@@ -61,7 +61,7 @@ jobs:
 
     steps:
       - name: Run unit-tests
-        working-directory: ${{ env.build_dir }}/scripts
+        working-directory: ${{ env.build_dir }}
         run: chmod +x scripts/run_tests_fallback.sh && ./scripts/run_tests_fallback.sh
 
       - name: Run regression-tests

.github/workflows/ubuntu.yml

@@ -29,11 +29,14 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: true
+
       - uses: actions/setup-python@v5
         with:
           python-version: '3.12'
 
       - name: Install CUDA
+        env:
+          cuda: ${{ matrix.cuda }}
         run: |
           source ./scripts/install_cuda_ubuntu.sh
           if [[ $? -eq 0 ]]; then