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The Problem/Issue/Bug:
In #1148 (Adding TestWebserverType() to test to make sure we get the type of webserver we're expecting), I was stuck on the fact that the "Server" header was always nginx, so didn't do everything in the test I wanted. Of course the Server header was always nginx, because that's what the router runs. Anyway, I wanted to test for the Server header!
How this PR Solves The Problem:
This PR uses the direct-to-web-container approach and can check for the Server header coming directly from the web container.
It also does minor refactoring to provide easy access to the local-direct URL and port; those were previously done in inline code in app.Describe().
Manual Testing Instructions:
I think if you like the code and it passes that's good enough.
Automated Testing Overview:
This improves TestWebserverType()
Related Issue Link(s):
Release/Deployment notes: