ci: Upload test results to Codecov

Extend the test workflow with uploading junit.xml reports to Codecov.

Signed-off-by: Pieter De Gendt <[email protected]>

Author: pdgendt

.github/workflows/test.yml

@@ -48,8 +48,14 @@ jobs:
           path: "./check out/.coverage"
           include-hidden-files: true
 
-  coverage-report:
-    name: Report test coverage
+      - name: Upload test reports
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        with:
+          name: tests-${{ matrix.os }}-${{ matrix.python-version }}
+          path: "./check out/junit.xml"
+
+  test-report:
+    name: Report test results
     runs-on: ubuntu-latest
     needs: ["build"]
     steps:
@@ -63,7 +69,7 @@ jobs:
         with:
           python-version: '3.13'
 
-      - name: Download all coverage artifacts
+      - name: Download all artifacts
         uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
 
       - name: Install coverage
@@ -85,4 +91,9 @@ jobs:
         uses: codecov/codecov-action@ad3126e916f78f00edff4ed0317cf185271ccc2d # v5.4.2
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          slug: ${{ github.repository_owner }}/west
+
+      - name: Upload test results to Codecov
+        if: github.repository_owner == 'zephyrproject-rtos' && ${{ !cancelled() }}
+        uses: codecov/test-results-action@47f89e9acb64b76debcd5ea40642d25a4adced9f # v1.1.1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}