another try to fix conda init error

.github/workflows/test_deploy_conda.yml

@@ -50,17 +50,18 @@ jobs:
       - name: Install Windows OpenGL
         if: runner.os == 'Windows'
         run: |
-          conda init
-          conda activate ff
+          # conda init
+          $CONDA/bin/activate ff
           git clone --depth 1 https://github.com/pyvista/gl-ci-helpers.git
           powershell gl-ci-helpers/appveyor/install_opengl.ps1
   
       - name: Run Tests
         uses: aganders3/[email protected]
         with:
           run: |
-            conda init
-            conda activate ff
+            # conda init
+            # source ~/.bash_profile
+            $CONDA/bin/activate ff
             python -m pip install .[dev]
             pytest -v --color=yes --cov=featureforest --cov-report=xml -m "not slow"