Check that empty reports aren't sent

Unittest scenario:
1) Project with only one job in check pipeline (3rd party CI scenario)
2) That job has "files" restriction, which the default test change doesn't match.
3) Item is not reported, and is deleted from the queue.

Change-Id: I2ba6558111f67061476f8857b4f10019d2750a68
diff --git a/tests/fixtures/layout.yaml b/tests/fixtures/layout.yaml
index cc4d34c..1d23443 100644
--- a/tests/fixtures/layout.yaml
+++ b/tests/fixtures/layout.yaml
@@ -246,3 +246,7 @@
   - name: org/experimental-project
     experimental:
       - experimental-project-test
+
+  - name: org/no-jobs-project
+    check:
+      - project-testfile