Mostly to catch regressions. While this is an invalid title,
it is valid as syntax when creating a Title *object*, the actual
page title itself does not allow leading colons.
Change-Id: Idbe8a3bfe487926c5fc8bdcfa69a957fc9d0bc49
'Foo/.../Sandbox',
'Sandbox/...',
'A~~',
+ ':A',
// Length is 256 total, but only title part matters
'Category:' . str_repeat( 'x', 248 ),
str_repeat( 'x', 252 ),
'Foo/.../Sandbox',
'Sandbox/...',
'A~~',
+ ':A',
// Length is 256 total, but only title part matters
'Category:' + repeat( 'x', 248 ),
repeat( 'x', 252 )