Try after build to avoid registry confusion

Author: Vaibhavdixit02

.github/workflows/CI.yml

@@ -49,9 +49,9 @@ jobs:
             ${{ runner.os }}-test-${{ env.cache-name }}-
             ${{ runner.os }}-test-
             ${{ runner.os }}-
+      - uses: julia-actions/julia-buildpkg@v1
       - if: ${{ matrix.group == 'OptimizationQuadDIRECT' }}
         run: julia --project -e 'using Pkg; Pkg.Registry.add(RegistrySpec(url  = "https://github.com/HolyLab/HolyLabRegistry.git")); Pkg.add("QuadDIRECT")'
-      - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
         env:
           GROUP: ${{ matrix.group }}