Add scenarios for manual tests.
diff --git a/tests.txt b/tests.txt
new file mode 100644
index 0000000..1bd34d2
--- /dev/null
+++ b/tests.txt
@@ -0,0 +1,20 @@
+Create review1 on repo1.
+Create review1b on top of review1. Set the topic to "crossrepo/test":
+ log: Setting -1
+ qabot Code-review -1
+ message: "This review depends on an unmerged commit."
+Abandon review1b
+Set to the topic of review1 to "crossrepo/test":
+ message: "This review is a cross-repo refactoring. It will be merged when all dependant reviews are mergeable."
+ logged: "Detected atomic review on change xxx."
+Create review2 on repo2 with topic crossrepo/test:
+ message: "This review is a cross-repo refactoring. It will be merged when all dependant reviews are mergeable."
+ logged: "Detected atomic review on review xxx."
+Make review2 submittable:
+ logged: "Change %d is submittable. Will try to merge all related changes."
+Approve review1 but make it not mergeable (merge an other review that conflicts), then comment on review2:
+ logged: "Change %d is submittable. Will try to merge all related changes."
+ comment: "Some related reviews to this cross-repo refactoring are not mergeable yet."
+Make review1 mergeable:
+ log DEBUG: "Change %d is mergeable"
+ merged: review1 and review2
