Resolve Bug:681 - Fix bgpcep after config-manager tests have been changed.

This must be merged after https://git.opendaylight.org/gerrit/#/c/5964/
is merged.

Change-Id: I2b56c5a5bd4f138b58c96a70fcb8296ba2eff261
Signed-off-by: Tomas Olvecky <tolvecky@cisco.com>