Fix bug with multiple project-templates

We weren't copying a list we should have.

Change-Id: I18b58d073c9b8f0bd7323a29fb49540d354a0eb2
diff --git a/tests/fixtures/layouts/multiple-templates.yaml b/tests/fixtures/layouts/multiple-templates.yaml
new file mode 100644
index 0000000..7272cad
--- /dev/null
+++ b/tests/fixtures/layouts/multiple-templates.yaml
@@ -0,0 +1,44 @@
+- pipeline:
+    name: check
+    manager: independent
+    trigger:
+      gerrit:
+        - event: patchset-created
+    success:
+      gerrit:
+        Verified: 1
+    failure:
+      gerrit:
+        Verified: -1
+
+- job:
+    name: base
+    parent: null
+
+- job:
+    name: py27
+
+- project-template:
+    name: python-jobs
+    check:
+      jobs:
+        - py27
+
+- project-template:
+    name: python-trusty-jobs
+    check:
+      jobs:
+        - py27:
+            tags:
+              - trusty
+
+- project:
+    name: org/project1
+    templates:
+      - python-jobs
+      - python-trusty-jobs
+
+- project:
+    name: org/project2
+    templates:
+      - python-jobs