diff --git a/tests/fixtures/config/single-tenant/git/layout-semaphore/playbooks/project-test1.yaml b/tests/fixtures/config/semaphore/git/common-config/playbooks/project-test1.yaml
similarity index 100%
rename from tests/fixtures/config/single-tenant/git/layout-semaphore/playbooks/project-test1.yaml
rename to tests/fixtures/config/semaphore/git/common-config/playbooks/project-test1.yaml
diff --git a/tests/fixtures/config/single-tenant/git/layout-semaphore/playbooks/semaphore-one-test1.yaml b/tests/fixtures/config/semaphore/git/common-config/playbooks/semaphore-one-test1.yaml
similarity index 100%
rename from tests/fixtures/config/single-tenant/git/layout-semaphore/playbooks/semaphore-one-test1.yaml
rename to tests/fixtures/config/semaphore/git/common-config/playbooks/semaphore-one-test1.yaml
diff --git a/tests/fixtures/config/single-tenant/git/layout-semaphore/playbooks/semaphore-one-test2.yaml b/tests/fixtures/config/semaphore/git/common-config/playbooks/semaphore-one-test2.yaml
similarity index 100%
rename from tests/fixtures/config/single-tenant/git/layout-semaphore/playbooks/semaphore-one-test2.yaml
rename to tests/fixtures/config/semaphore/git/common-config/playbooks/semaphore-one-test2.yaml
diff --git a/tests/fixtures/config/single-tenant/git/layout-semaphore/playbooks/semaphore-two-test1.yaml b/tests/fixtures/config/semaphore/git/common-config/playbooks/semaphore-two-test1.yaml
similarity index 100%
rename from tests/fixtures/config/single-tenant/git/layout-semaphore/playbooks/semaphore-two-test1.yaml
rename to tests/fixtures/config/semaphore/git/common-config/playbooks/semaphore-two-test1.yaml
diff --git a/tests/fixtures/config/single-tenant/git/layout-semaphore/playbooks/semaphore-two-test2.yaml b/tests/fixtures/config/semaphore/git/common-config/playbooks/semaphore-two-test2.yaml
similarity index 100%
rename from tests/fixtures/config/single-tenant/git/layout-semaphore/playbooks/semaphore-two-test2.yaml
rename to tests/fixtures/config/semaphore/git/common-config/playbooks/semaphore-two-test2.yaml
diff --git a/tests/fixtures/config/single-tenant/git/layout-semaphore/zuul.yaml b/tests/fixtures/config/semaphore/git/common-config/zuul.yaml
similarity index 85%
rename from tests/fixtures/config/single-tenant/git/layout-semaphore/zuul.yaml
rename to tests/fixtures/config/semaphore/git/common-config/zuul.yaml
index 6a8906b..9d1cacf 100644
--- a/tests/fixtures/config/single-tenant/git/layout-semaphore/zuul.yaml
+++ b/tests/fixtures/config/semaphore/git/common-config/zuul.yaml
@@ -11,6 +11,14 @@
       gerrit:
         verified: -1
 
+# TODOv3(jeblair, tobiash): make semaphore definitions required, which
+# will cause these tests to fail until we define test-semaphore
+# here.
+
+- semaphore:
+    name: test-semaphore-two
+    max: 2
+
 - job:
     name: project-test1
 
@@ -45,7 +53,3 @@
         - project-test1
         - semaphore-two-test1
         - semaphore-two-test2
-
-- semaphore:
-    name: test-semaphore-two
-    max: 2
diff --git a/tests/fixtures/config/semaphore/git/org_project/README b/tests/fixtures/config/semaphore/git/org_project/README
new file mode 100644
index 0000000..9daeafb
--- /dev/null
+++ b/tests/fixtures/config/semaphore/git/org_project/README
@@ -0,0 +1 @@
+test
diff --git a/tests/fixtures/config/semaphore/git/org_project1/README b/tests/fixtures/config/semaphore/git/org_project1/README
new file mode 100644
index 0000000..9daeafb
--- /dev/null
+++ b/tests/fixtures/config/semaphore/git/org_project1/README
@@ -0,0 +1 @@
+test
diff --git a/tests/fixtures/config/semaphore/main.yaml b/tests/fixtures/config/semaphore/main.yaml
new file mode 100644
index 0000000..5f57245
--- /dev/null
+++ b/tests/fixtures/config/semaphore/main.yaml
@@ -0,0 +1,9 @@
+- tenant:
+    name: tenant-one
+    source:
+      gerrit:
+        config-projects:
+          - common-config
+        untrusted-projects:
+          - org/project
+          - org/project1
diff --git a/tests/fixtures/config/single-tenant/git/layout-semaphore-reconfiguration/zuul.yaml b/tests/fixtures/config/semaphore/zuul-reconfiguration.yaml
similarity index 100%
rename from tests/fixtures/config/single-tenant/git/layout-semaphore-reconfiguration/zuul.yaml
rename to tests/fixtures/config/semaphore/zuul-reconfiguration.yaml
diff --git a/tests/fixtures/config/single-tenant/git/layout-semaphore-reconfiguration/playbooks/project-test1.yaml b/tests/fixtures/config/single-tenant/git/layout-semaphore-reconfiguration/playbooks/project-test1.yaml
deleted file mode 100644
index f679dce..0000000
--- a/tests/fixtures/config/single-tenant/git/layout-semaphore-reconfiguration/playbooks/project-test1.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-- hosts: all
-  tasks: []