Tests that you can click and hover on links in attributes.
Rendered text: <img id="linkify-1" srcset="./1x/googlelogo_color_272x92dp.png 1x, ./2x/googlelogo_color_272x92dp.png 2x">
Link at offset: 30: ./1x/googlelogo_color_272x92dp.png
Link at offset: 71: ./2x/googlelogo_color_272x92dp.png
Rendered text: <img id="linkify-2" srcset="./1x/googlelogo_color_272x92dp.png">
Link at offset: 30: ./1x/googlelogo_color_272x92dp.png
Rendered text: <source id="linkify-3" media="(min-width: 650px)" srcset="./kitten-large.png">
Link at offset: 63: ./kitten-large.png
Rendered text: <source id="linkify-4" media="(min-width: 465px)" srcset="./kitten-medium.png">
Link at offset: 63: ./kitten-medium.png
Rendered text: <source id="linkify-5" media="(min-width: 400px)" srcset="./kitten-large.png 2x">
Link at offset: 63: ./kitten-large.png
Rendered text: <img id="linkify-6" src="./kitten-small.png">
Link at offset: 27: ./kitten-small.png
Rendered text: <img id="linkify-7" srcset="./kitten-medium.png, ./kitten-large.png 2x">
Link at offset: 30: ./kitten-medium.png
Link at offset: 52: ./kitten-large.png
Rendered text: <img id="linkify-8" srcset="./kitten-medium.png 1x, ./kitten-large.png 2x">
Link at offset: 30: ./kitten-medium.png
Link at offset: 55: ./kitten-large.png
Rendered text: <img id="linkify-9" srcset="./kitten-medium.png 1x, ./kitten-large.png 2x">
Link at offset: 30: ./kitten-medium.png
Link at offset: 55: ./kitten-large.png
Rendered text: <img id="linkify-10" srcset="data:,abc">
Link at offset: 31: data:,abc
Rendered text: <img id="linkify-11" srcset="data:,abc 1x">
Link at offset: 31: data:,abc
Rendered text: <img id="linkify-12" srcset="data:,abc 1x, data:,def 2x">
Link at offset: 31: data:,abc
Link at offset: 46: data:,def
Rendered text: <img id="linkify-13" srcset="data:,abc 1x, data:,def 2x">
Link at offset: 31: data:,abc
Link at offset: 46: data:,def
Rendered text: <a id="linkify-14" href="http://www.google.com">a link</a>
Link at offset: 27: http://www.google.com
Rendered text: <image id="linkify-15" xlink:href="./kitten-small.png" height="200" width="200"></image>
Link at offset: 37: ./kitten-small.png
Rendered text: <image id="linkify-16" href="./kitten-small.png" height="200" width="200"></image>
Link at offset: 31: ./kitten-small.png