Workflow test with literal test outputs.

lib/galaxy_test/workflow/output_parameter.gxwf-tests.yml

@@ -0,0 +1,8 @@
+- doc: |
+    Test to verify exact output parameter verification works propery.
+  job:
+    text_int:
+      type: File
+      content: "43"
+  outputs:
+    out_int: 43

lib/galaxy_test/workflow/output_parameter.gxwf.yml

@@ -0,0 +1,13 @@
+class: GalaxyWorkflow
+inputs:
+  text_int: data
+outputs:
+  out_int:
+    outputSource: param_out/integer_param
+steps:
+  param_out:
+    tool_id: param_value_from_file
+    state:
+      param_type: integer
+    in:
+      input1: text_int