add failing step flow

.github/workflows/failingstep.yml

@@ -0,0 +1,28 @@
+# This is a basic workflow to help you get started with Actions
+
+name: failing step
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the trunk branch
+on: workflow_dispatch
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  greet:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Runs a single command using the runners shell
+      - name: an echo
+        run: echo "echo"
+      - name: echo again
+        run: echo "again"
+      - name: "a failing step"
+        run: |
+          echo "oh no."
+          exit 1
+      - name: "one last time"
+        run: echo "hey"