The pasting tests hadn't been working since as early as v0.2.0. Since what it tried to cover is already gone for such a long time, I think it's better to write new ones if needed then to keep them around.
And since these tests are gone, the helper methods for just them are also gone.
[ruby/reline] Remove useless tests
(https://github.com/ruby/reline/pull/665)
The pasting tests hadn't been working since as early as v0.2.0. Since
what it tried to cover is already gone for such a long time, I think it's
better to write new ones if needed then to keep them around.
And since these tests are gone, the helper methods for just them are also gone.
https://github.com/ruby/reline/commit/0eedf0e4a0