diff --git a/tests/test-add.out b/tests/test-add.out
new file mode 100644
--- /dev/null
+++ b/tests/test-add.out
@@ -0,0 +1,29 @@
+adding a
+? a
+adding a
+A a
+A a
+? b
+A a
+A b
+% should fail
+b already tracked!
+A a
+A b
+% should fail
+a already tracked!
+1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+warning: conflicts during merge.
+merging a
+merging a failed!
+0 files updated, 0 files merged, 0 files removed, 1 files unresolved
+There are unresolved merges, you can redo the full merge using:
+  hg update -C 2
+  hg merge 1
+M a
+% should fail
+a already tracked!
+M a
+% issue683
+R a
+M a