Split the build tests stuff into 4 parts like the normal tests.

.github/workflows/test.yml

@@ -112,16 +112,25 @@ jobs:
   build-tests:
     # TODO[1760]: Delete this build-tests action once the tests reliably pass again.
     needs: setup-tests
+    strategy:
+      fail-fast: false
+      matrix:
+        part: ["00", "01", "02", "03"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-go@v4
+      - uses: actions/setup-go@v5
         if: needs.setup-tests.outputs.should-run
         with:
           go-version: ${{ needs.setup-tests.outputs.go-version }}
+      - uses: actions/download-artifact@v4
+        if: needs.setup-tests.outputs.should-run
+        with:
+          name: "${{ needs.setup-tests.outputs.file-prefix }}-pkgs.txt.part.${{ matrix.part }}"
       - name: build tests
+        if: needs.setup-tests.outputs.should-run
         run: |
-          make build-tests
+          cat pkgs.txt.part.${{ matrix.part }} | xargs go test -mod=readonly -timeout 30m -tags='norace ledger test_ledger_mock' -run='ZYX_NOPE_NOPE_XYZ'
 
   #  This action performs a code coverage assessment but filters out generated code from proto based types
   #  and grpc services