Emit dots on travis to avoid timeout (#867)

The current method of running a background sleep until travis is
finished is causing integration test runs to pass even when they should
be failing.

Instead, update the code to emit dots itself.

1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 3158ebd5..bf8cb78b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -153,7 +153,7 @@ deps =
 
 [testenv:integration-tests-ci]
 commands = {envpython} -m pytest --log-cli-level=INFO {posargs:tests/integration_tests}
-passenv = CLOUD_INIT_* SSH_AUTH_SOCK OS_*
+passenv = CLOUD_INIT_* SSH_AUTH_SOCK OS_* TRAVIS
 deps =
     -r{toxinidir}/integration-requirements.txt
 setenv =