tests/wf/echo.cwl: encode string to bytes before writing to binary file
tests/wf/echo.cwl: encode string to bytes before writing to binary file

dleehr/cwltool,common-workflow-language/cwltool,dleehr/cwltool,dleehr/cwltool,common-workflow-language/cwltool,common-workflow-language/cwltool,dleehr/cwltool