Add headers or cookies to request in Mojolicious tests

When using Test::Mojo, sometimes you want to modify the request to add a cookie or custom headers.

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Web developer browser plugins

Chrome:

• Chrome itself doesn't require admin privileges to install
• Chrome has dev tools built in - type F12 and select a tab e.g. Network, or right-click on the page and choose 'Inspect element'
• chrome://net-internals/
• Web developer plugin
• Modify headers

Internet Explorer:

• Internet Explorer should be installed by default
• It has some dev tools built in - type F12 and then:
• Menu: Find | Select element by click
• Menu: Cache | View cookie information
• Tab: Script | Console
• Tab: Network (IE9 and later) | Go to detailed view | Double-click an item for headers and cookies

Standalone:

• Fiddler2 - inspect and modify HTTP traffic (requires admin)
• DebugBar (requires admin)
• Proxomitron - inspect and modify headers,  (does not require admin rights)
• Proximodo a clone of Proxomitron (requires admin)
• Charles Proxy
• Other proxies

Non-GUI:

• curl -D -
• wget -S

(source, source, source, source, source)