>!> Installing foo from channel test2
>!> 1 problems found:
>!> Problem:
->!> Cannot install foo-2.0-1.noarch[test2]
->!> Can't install foo-2.0-1.noarch[test2], since foo-2.0-1.noarch[test1] is already marked as needing to be installed
+>!> Cannot install foo-2.0-1.noarch[test1]
+>!> Can't install foo-2.0-1.noarch[test1], since foo-2.0-1.noarch[test2] is already marked as needing to be installed
>!> Solution:
->!> do not install foo-2.0-1.noarch[test2]
+>!> do not install foo-2.0-1.noarch[test1]
>!>
>!> Solution:
->!> do not install foo-2.0-1.noarch[test1]
+>!> do not install foo-2.0-1.noarch[test2]
>!>
>!> Solution:
>!> Ignore that foo is already set to install