[MATLAB] Changed CI workflow to account for change

to how paths are set

Author: ssun30

.github/workflows/main.yml

@@ -66,20 +66,20 @@ jobs:
           echo "LD_PRELOAD=$LIB_STDCXX:$LIB_OPENBLAS:$LIB_LAPACK" >> $GITHUB_ENV
       - name: Set up MATLAB
         uses: matlab-actions/setup-matlab@718d4320188c73c86eb94ce76b553cbf89778487 # v2.5.0
-      - name: Run tests
-        uses: matlab-actions/run-tests@f9fc3d8ca29fadef6227fa52884b144b9011fa2f # v2.1.1
-        with:
-          select-by-folder: /home/runner/work/cantera/cantera/test/matlab_experimental
-      - name: Set TOOLBOX_VERSION environment variable from latest tag for main
-        run: |
-          TAG=$(git tag --sort=-creatordate | head -n 1)
-          echo "TOOLBOX_VERSION=${TAG}" >> $GITHUB_ENV
-      - name: Build MLTBX toolbox
+      - name: Set MATLAB search paths for tests and build MLTBX toolbox
         uses: matlab-actions/run-command@v2
         with:
           command: |
-            addpath('/home/runner/work/cantera/cantera/interfaces/matlab_experimental/Setup');
+            toolboxPath = fullfile(getenv('CANTERA_ROOT'));
+            libPath = fullfile(toolboxPath, 'build', 'lib');
+            includePath = fullfile(toolboxPath, 'include');
+            addpath(fullfile(toolboxPath, 'interfaces', 'matlab_experimental', 'Utility'));
+            ctPaths(libPath, includePath, toolboxPath);
             buildToolbox;
+      - name: Run tests
+        uses: matlab-actions/run-tests@f9fc3d8ca29fadef6227fa52884b144b9011fa2f # v2.1.1
+        with:
+          select-by-folder: /home/runner/work/cantera/cantera/test/matlab_experimental
       - name: Upload Toolbox Artifact
         uses: actions/upload-artifact@v4
         with: