Try fix environment instantiation

Author: mofeing

.github/workflows/CI.yml

@@ -97,7 +97,12 @@ jobs:
           pkg"registry add General"
         shell: julia --color=yes {0}
       - name: Run tests
-        run: julia --color=yes --code-coverage=user --depwarn=yes --project=test/python/ test/python/runtests.jl 
+        run: |
+          julia --color=yes --code-coverage=user --depwarn=yes --project=test/python/ -e '
+            using Pkg
+            Pkg.instantiate()
+            Pkg.resolve()
+            include("test/python/runtests.jl")'
         shell: bash
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-processcoverage@v1