tests: split out tests for unrelated copy source/target into separate file
I've realized only recently how many cases there are where a file is
treated differently if it's considered "related" to another file (not
deleted and re-added). I'll add more tests for some of these cases
soon.
Differential Revision: https://phab.mercurial-scm.org/D6598
{
// Enforcing
"eqeqeq" : true, // true: Require triple equals (===) for comparison
"forin" : true, // true: Require filtering for..in loops with obj.hasOwnProperty()
"freeze" : true, // true: prohibits overwriting prototypes of native objects such as Array, Date etc.
"nonbsp" : true, // true: Prohibit "non-breaking whitespace" characters.
"undef" : true, // true: Require all non-global variables to be declared (prevents global leaks)
// Environments
"browser" : true // Web Browser (window, document, etc)
}