[travis] Fix a container name.

.travis.yml

@@ -5,7 +5,7 @@ services:
 
 before_install:
 - docker build -t dyngb-trusty -f ./travis_custom/Dockerfile .
-- docker run -t -d --name dynbg-trusty-test dyngb-trusty
+- docker run -t -d --name dyngb-trusty-test dyngb-trusty
 - docker exec dyngb-trusty-test sudo git clone https://github.com/stack-of-tasks/dynamic_graph_bridge.git /repo
 
 script: