Test on multiple os

Author: avik-pal

.github/workflows/CI.yml

@@ -8,13 +8,17 @@ on:
       - main
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         group:
           - Core
         version:
           - '1'
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
@@ -40,6 +44,11 @@ jobs:
           RETESTITEMS_NWORKERS: 4
           RETESTITEMS_NWORKER_THREADS: 2
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+        with:
+          directories: src,ext
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
+          token: ${{ secrets.CODECOV_TOKEN }}
+          verbose: true
+          fail_ci_if_error: true

test/runtests.jl

@@ -8,4 +8,4 @@ end
 
 if GROUP == "GPU"
     ReTestItems.runtests(joinpath(@__DIR__, "gpu/"))
-end
+end