I removed the newline at the end of the string

there should be a function called test(), otherwise nose just imports
the modules and thinks no test was done

This add some incompatibility with all former implementations but is far easier to use

cc: @tetsuyamorishita

Plumedbot pull request

This commit contains changes automatically generated by plumedbot on Travis-ci.

This commit contains changes automatically generated by plumedbot on Travis-ci.

Thanks @valsson

(@gtribello noticed this is #423)

Closes #426