[tests] Split message tests into 3 different tests
[tests] Split message tests into 3 different tests

Currently messaging tests are failing because emoji's are not (yet)
supported. I split the tests so that the lack of emojis don't make the
tests of the whole functionality fail.

alabs/nolotiro.org,apardo/nolotiro.org,alabs/nolotiro.org,apardo/nolotiro.org,apardo/nolotiro.org,alabs/nolotiro.org,apardo/nolotiro.org,alabs/nolotiro.org