From 66c7203a1cf41273ea38f3ee211d48981ee91c71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mos=C3=A8=20Giordano?=
 <765740+giordano@users.noreply.github.com>
Date: Thu, 13 Nov 2025 16:23:14 +0100
Subject: [PATCH 1/2] Implement concurrency for Test.yml workflow

Add concurrency settings to the CI workflow
---
 .github/workflows/Test.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/Test.yml b/.github/workflows/Test.yml
index 591bb3e2d..f4fe15ad4 100644
--- a/.github/workflows/Test.yml
+++ b/.github/workflows/Test.yml
@@ -7,6 +7,12 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  # Skip intermediate builds: always.
+  # Cancel intermediate builds: always.
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }}

From 3e00f0f233a99c7f6e4195342c6743db95c61b85 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mos=C3=A8=20Giordano?=
 <765740+giordano@users.noreply.github.com>
Date: Thu, 13 Nov 2025 16:45:14 +0100
Subject: [PATCH 2/2] Update Test.yml to add timeout and test arguments

---
 .github/workflows/Test.yml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/.github/workflows/Test.yml b/.github/workflows/Test.yml
index f4fe15ad4..724a037ae 100644
--- a/.github/workflows/Test.yml
+++ b/.github/workflows/Test.yml
@@ -28,14 +28,28 @@ jobs:
         with:
           version: ${{ matrix.version }}
       - uses: julia-actions/cache@v2
+        timeout-minutes: 5
       - name: Develop subpackages
         run: |
           julia --project -e "
             using Pkg
             Pkg.develop([PackageSpec(; name=basename(path), path) for path in ARGS])
           " lib/GPUArraysCore lib/JLArrays
+      - name: "Set test arguments"
+        shell: bash
+        run: |
+          # Run tests in verbose mode
+          TEST_ARGS=(--verbose)
+          if [[ ${{ runner.os }} == "macOS" ]]; then
+              # Encourage ParallelTestRunner to use two jobs on macOS, rather
+              # than the single one it'd use by default.
+              TEST_ARGS+=(--jobs=2)
+          fi
+          echo "runtest_test_args=${TEST_ARGS[@]}" >> "${GITHUB_ENV}"
       - uses: julia-actions/julia-runtest@v1
         continue-on-error: ${{ matrix.version == 'nightly' }}
+        with:
+          test_args: ${{ env.runtest_test_args }}
       - uses: julia-actions/julia-processcoverage@v1
         with:
           directories: src,lib