Since SkinVector provides name via skin.json the name must be
passed in the test constructor.
This will be required as part of
I5772eb760e4fc56d2062a333ba4d7ca6995f3db2
Change-Id: I4087deb8b0726c9959ac15d77a0ed2442e4890f6
In PHP we add collapsible classes to all elements except watchstar
so that certain tabs can be collapsed under the more menu in JS.
This adds unnecessary complexity to our codebase and is not used
if JS is disabled.
To simplify this and bring Vector's PHP consistency with core this
logic is moved to JavaScript.
Bug: T259372
Change-Id: I2acbf7089198118626368ee8a37615d2de062f83
