Add unit test for LUClusterRedistConf
Add unit test for LUClusterRedistConf

Unit-test LUClusterRedistConf. Given the simplicity of the LU, this unit
test only exercises the LU code.

Signed-off-by: Thomas Thrainer <98bdeac947eb8ca18146e9ce7f092788ec242cd1@google.com>
Reviewed-by: Michele Tartara <05f7077a2c6cbbdc4af4ba42e3ef89a0df846179@google.com>

leshchevds/ganeti,apyrgio/ganeti,apyrgio/ganeti,apyrgio/snf-ganeti,ganeti/ganeti,andir/ganeti,mbakke/ganeti,yiannist/ganeti,leshchevds/ganeti,onponomarev/ganeti,bitemyapp/ganeti,ganeti/ganeti,mbakke/ganeti,ganeti/ganeti,apyrgio/snf-ganeti,ganeti-github-testing/ganeti-test-1,bitemyapp/ganeti,leshchevds/ganeti,andir/ganeti,andir/ganeti,grnet/snf-ganeti,ganeti-github-testing/ganeti-test-1,dimara/ganeti,mbakke/ganeti,grnet/snf-ganeti,onponomarev/ganeti,yiannist/ganeti,yiannist/ganeti,dimara/ganeti