update unit test

Author: oliverchampion

.github/workflows/unit_test.yml

@@ -30,16 +30,13 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-      - name: Check out repository
-        uses: actions/checkout@v4
       - name: Set environment variables for MATLAB Engine
-	if: ${{ runner.os == 'Linux' || runner.os == 'macOS' }}
+	if: ${{ runner.os == 'macOS'}}
+        run: |
+          echo "DYLD_LIBRARY_PATH=/Users/runner/hostedtoolcache/MATLAB/2025.1.999/arm64/MATLAB.app/bin/maca64:$DYLD_LIBRARY_PATH" >> $GITHUB_ENV
+	if: ${{ runner.os == 'Linux'}}
         run: |
-          if [[ "${{ runner.os }}" == "macOS" ]]; then
-            echo "DYLD_LIBRARY_PATH=/Users/runner/hostedtoolcache/MATLAB/2025.1.999/arm64/MATLAB.app/bin/maca64:$DYLD_LIBRARY_PATH" >> $GITHUB_ENV
-          elif [[ "${{ runner.os }}" == "Linux" ]]; then
             echo "LD_LIBRARY_PATH=/opt/hostedtoolcache/MATLAB/2025.1.999/x64/bin/glnxa64:$LD_LIBRARY_PATH" >> $GITHUB_ENV
-          fi
       - name: Set up MATLAB
         uses: matlab-actions/setup-matlab@v2
         with: