Adding failing workflows

workflows/workflow.failed/wrong-image.cwl

+cwlVersion: v1.0
+class: CommandLineTool
+
+hints:
+  - class: DockerRequirement
+    dockerPull: iderha/does-not-exist
+
+baseCommand: echo
+stdout: test-echo.txt
+
+inputs:
+  message:
+    type: string
+    inputBinding:
+      position: 1
+outputs: 
+  example_out:
+    type: stdout