In soapUI 5.2.2 I have to use a property or modify the xml file directly to be able to test against a URL with mixed case it should just be allowed. Refer to Question on How for the the workarou...
Status changed:
New Idea
to Implemented
This feature request has been implemented in version 5.3 (shown in Bug Fix section 'A bug fix by bearsoftware (GitHub nickname): The Request URL property of the HTTP Request test step did not allow capital letters. (SOAPUIOS-213)')