diff --git a/.github/workflows/A.yml b/.github/workflows/A.yml
new file mode 100644
index 0000000..91a41c6
--- /dev/null
+++ b/.github/workflows/A.yml
@@ -0,0 +1,15 @@
+name: A
+on:
+  push:
+
+concurrency:
+  group: foo
+  cancel-in-progress: true
+
+jobs:
+  job:
+    name: A
+    runs-on: ubuntu-latest
+    steps:
+      - name: Sleep
+        run: sleep 20
diff --git a/.github/workflows/B.yml b/.github/workflows/B.yml
new file mode 100644
index 0000000..bd8771b
--- /dev/null
+++ b/.github/workflows/B.yml
@@ -0,0 +1,15 @@
+name: B
+on:
+  push:
+
+concurrency:
+  group: foo
+  cancel-in-progress: true
+
+jobs:
+  job:
+    name: B
+    runs-on: ubuntu-latest
+    steps:
+      - name: Sleep
+        run: sleep 20
diff --git a/.github/workflows/C.yml b/.github/workflows/C.yml
new file mode 100644
index 0000000..8b6b878
--- /dev/null
+++ b/.github/workflows/C.yml
@@ -0,0 +1,53 @@
+name: C
+on:
+  push:
+
+jobs:
+  job1:
+    name: C1
+    runs-on: ubuntu-latest
+    concurrency:
+      group: C
+      cancel-in-progress: true
+    steps:
+      - name: Sleep
+        run: sleep 20
+  job2:
+    name: C2
+    runs-on: ubuntu-latest
+    concurrency:
+      group: C
+      cancel-in-progress: true
+    steps:
+      - name: Sleep
+        run: sleep 20
+  job3:
+    name: C3
+    runs-on: ubuntu-latest
+    concurrency:
+      group: C
+      cancel-in-progress: true
+    steps:
+      - name: Sleep
+        run: sleep 20
+  job4:
+    name: C4
+    runs-on: ubuntu-latest
+    concurrency:
+      group: C
+      cancel-in-progress: true
+    steps:
+      - name: Sleep
+        run: sleep 20
+  jobX:
+    name: matrix ${{matrix.n}}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        n: [ 1, 2, 3, 4 ]
+    concurrency:
+      group: CM
+      cancel-in-progress: true
+    steps:
+      - name: Sleep
+        run: sleep 20
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bb919b2..3cb3960 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,17 +1,14 @@
 name: Test
 on:
-  pull_request_target:
-    branches: [ '🙄' ]
+  pull_request:
   push:
-    tags: [ testtag ]
-
 
 jobs:
   job:
-    name: Test
+    name: Test expressions
     runs-on: ubuntu-latest
     steps:
-      - name: Env
-        run: env
-      - name: Event data
-        run: cat $GITHUB_EVENT_PATH
+      - name: Expr
+        env:
+          XXX: build-${{ github.event_name == 'push' && github.run_id || 'pr' }}-${{ github.ref }}
+        run: echo "$XXX"