diff --git a/.github/workflows/pr-tests.yml b/.github/workflows/pr-tests.yml
new file mode 100644
index 0000000..e231f6d
--- /dev/null
+++ b/.github/workflows/pr-tests.yml
@@ -0,0 +1,32 @@
+name: Tests
+
+on:
+  push:
+    branches:
+      - development
+  pull_request:
+    branches:
+      - main
+      - development
+
+permissions:
+  contents: read
+
+concurrency:
+  group: pr-tests-${{ github.event_name }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test-all:
+    runs-on: macos-26
+    timeout-minutes: 60
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v7
+
+      - name: Install GoogleTest
+        run: brew install googletest
+
+      - name: Run all tests
+        run: make test-all
diff --git a/README.md b/README.md
index 0390772..0796408 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # macOS Memory Benchmark
 
-![Platform](https://img.shields.io/badge/platform-Apple%20Silicon-000000?logo=apple) ![CLI](https://img.shields.io/badge/CLI-Tool-00A8CC?logo=terminal) ![License](https://img.shields.io/badge/license-GPL--3.0--or--later-blue) ![Assembly](https://img.shields.io/badge/Assembly-ARM64-6E4C13) ![C++](https://img.shields.io/badge/C++-00599C?logo=cplusplus&logoColor=white)
+![Platform](https://img.shields.io/badge/platform-Apple%20Silicon-000000?logo=apple) ![CLI](https://img.shields.io/badge/CLI-Tool-00A8CC?logo=terminal) ![License](https://img.shields.io/badge/license-GPL--3.0--or--later-blue) ![Assembly](https://img.shields.io/badge/Assembly-ARM64-6E4C13) ![C++](https://img.shields.io/badge/C++-00599C?logo=cplusplus&logoColor=white) [![Development tests](https://github.com/timoheimonen/macOS-memory-benchmark/actions/workflows/pr-tests.yml/badge.svg?branch=development&event=push)](https://github.com/timoheimonen/macOS-memory-benchmark/actions/workflows/pr-tests.yml)
 
 `memory_benchmark` is a low-level command-line tool for measuring CPU and Metal GPU memory bandwidth, synthetic LLM
 decode and prefill memory traffic, cache and main-memory latency, access-pattern performance, TLB behavior, and