feat: test alternative workflow with inline job definition

.github/workflows/checkbox-canary-test-inline.yaml

@@ -0,0 +1,108 @@
+name: Fling a checkbox job with Testflinger
+
+on:
+    push:
+        branches: [test-action-fling-test]
+    workflow_dispatch:
+
+jobs:
+  checkbox-canary-test:
+    runs-on: [ubuntu-22.04]
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - checkbox_runtime: checkbox16
+            data_source: "distro: xenial"
+            checkbox_track: uc16
+            arch: amd64
+            queue: hp-elitebook-850-g7-notebook-pc
+
+    steps:
+    - name: Checkout checkbox monorepo
+      uses: actions/checkout@v4
+
+    - name: Create job
+      id: create-job
+      shell: bash
+      run: |
+        OUTPUT_PATH=${{ github.workspace }}/job.yaml
+        cat << JOB_EOF > $OUTPUT_PATH
+        job_queue : ${{ matrix.queue }}
+        global_timeout: 3600
+        output_timeout: 1800
+        provision_data:
+          ${{ matrix.data_source }}
+        test_data:
+          test_cmds: |
+            #!/bin/bash
+
+            # the machine running this script is the test controller
+            # it runs on any device that consumes the jobs on given queue name, for instance "202111-29636"
+            # the controller has a 1:1 relationship with the DUT (device under test)
+            # to run anything on the DUT, the controller ssh's into the DUT and runs the commands there
+            # and then in the end runs checkbox to run the actual testing session
+            # the checkbox run is a typical remote session where the machine running this script is the
+            # Checkbox Controller and the DUT is the Checkbox Agent
+
+            set -x
+            set -e
+
+            # prepare Controller Machine
+            sudo add-apt-repository -y ppa:checkbox-dev/edge
+            sudo apt-get -qq update
+            sudo DEBIAN_FRONTEND=noninteractive apt-get -qq install -y python-cheetah git checkbox-ng
+
+            # get the tools necessary to prepare the target device for testing
+            git -C hwcert-jenkins-tools pull -q || (rm -rf hwcert-jenkins-tools && git clone https://github.com/canonical/hwcert-jenkins-tools.git)
+
+            export PATH=\$PATH:hwcert-jenkins-tools/scriptlets
+
+            # install checkbox runtime
+            _run_retry sudo snap install ${{ matrix.checkbox_runtime }} --no-wait --channel=latest/edge
+            wait_for_snap_complete
+            # Let's list all the installed snaps for future debugging ease
+            _run snap list
+
+            _run_retry sudo snap install --devmode --channel=${{ matrix.checkbox_track }}/edge checkbox
+
+            echo "Installing checkbox in agent container"
+            CHECKBOX_VERSION=\$(_run checkbox.checkbox-cli --version)
+            git clone --filter=tree:0 https://github.com/canonical/checkbox.git > /dev/null
+            hwcert-jenkins-tools/version-published/checkout_to_version.py ~/checkbox "\$CHECKBOX_VERSION"
+            (cd checkbox/checkbox-ng; sudo python3 setup.py install > /dev/null)
+            sudo rm -rf checkbox
+
+            cat << LAUNCHER_EOF > canary.launcher
+            [launcher]
+            launcher_version = 1
+            stock_reports = certification
+
+            [test plan]
+            unit = com.canonical.certification::canary
+            forced = yes
+
+            [test selection]
+            forced = true
+
+            [ui]
+            type = silent
+            LAUNCHER_EOF
+
+            # run the canary test plan
+            PYTHONUNBUFFERED=1 checkbox-cli control \$DEVICE_IP canary.launcher
+            EXITCODE=\$?
+        JOB_EOF
+        echo "job=$OUTPUT_PATH" >> $GITHUB_OUTPUT
+
+    - name: Verify job
+      shell: bash
+      run:
+        cat ${{ steps.create-job.outputs.job }}
+
+    - name: Submit job
+      uses: canonical/testflinger/.github/actions/submit@CERTTF-327-github-action-submit
+      with:
+        dry-run: true
+        poll: true
+        job: ${{ steps.create-job.outputs.job }}