test for #287
test duplicated cronjob - #269
test for exec_autodie - #265
tests for network aliases - #264
added test for Krimdomu/Rex/#260
rsync get wrong user test for Krimdomu/Rex#252
some tests to check read_buffer_size is working with larger value - Krimdomu/Rex#247
added done_testing() function
created test for hooks - Krimdomu/Rex/#230
added multiline test - Krimdomu/Rex#227