Add tenants

Change-Id: Ia6c21152c00c9380c17c559290ed98ff22cf767b
diff --git a/tests/fixtures/zuul.conf b/tests/fixtures/zuul.conf
index b250c6d..c08b5ad 100644
--- a/tests/fixtures/zuul.conf
+++ b/tests/fixtures/zuul.conf
@@ -2,7 +2,7 @@
 server=127.0.0.1
 
 [zuul]
-layout_config=layout.yaml
+tenant_config=main.yaml
 url_pattern=http://logs.example.com/{change.number}/{change.patchset}/{pipeline.name}/{job.name}/{build.number}
 job_name_in_report=true