--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/planemo/lib/python3.7/site-packages/cwltool/tests/checker_wf/broken-wf.cwl	Fri Jul 31 00:18:57 2020 -0400
@@ -0,0 +1,73 @@
+#!/usr/bin/env cwl-runner
+class: Workflow
+cwlVersion: v1.0
+requirements:
+  ScatterFeatureRequirement: {}
+  MultipleInputFeatureRequirement: {}
+  StepInputExpressionRequirement: {}
+inputs:
+  letters0:
+    type: [string, int]
+    default: "a0"
+  letters1:
+    type: string[]
+    default: ["a1", "b1"]
+  letters2:
+    type: [string, int]
+    default: "a2"
+  letters3:
+    type: string[]
+    default: ["a3", "b3"]
+  letters4:
+    type: int
+    default: 4
+  letters5:
+    type: string[]
+    default: ["a5", "b5", "c5"]
+
+outputs:
+  all:
+    type: File[]
+    outputSource: cat/txt
+
+steps:
+  echo_v:
+    run: echo.cwl
+    in:
+      echo_in: {}
+    out: [txt]
+  echo_w:
+    run: echo.cwl
+    in:
+      echo_in: letters0
+    out: [txt]
+  echo_x:
+    run: echo.cwl
+    scatter: echo_in
+    in:
+      echo_in:
+        source: [letters1, letters2]
+        linkMerge: merge_nested
+    out: [txt]
+  echo_y:
+    run: echo.cwl
+    scatter: echo_in
+    in:
+      echo_in:
+        source: [letters3, letters4]
+        linkMerge: merge_flattened
+    out: [txt]
+  echo_z:
+    run: echo.cwl
+    in:
+      echo_in:
+        source: letters5
+        valueFrom: "special value parsed in valueFrom"
+    out: [txt]
+  cat:
+    run: cat.cwl
+    in:
+      cat_in:
+        source: [echo_w/txt, echo_x/txt, echo_y/txt, echo_z/txt, letters0]
+        linkMerge: merge_flattened
+    out: [txt]