Remove admin test data from database migration (#808)

Change-Id: I06a1d05e8335dcdc16e3ed64d850eb1ebdabd20c
diff --git a/Changes b/Changes
index 0cec767..13db6ce 100644
--- a/Changes
+++ b/Changes
@@ -4,6 +4,7 @@
 - Add a test: changing timeout using a pipe
 - Add pipe response rewriting (#794)
 - Fix datatype for query statistics (close #802)
+- Remove admin test data from database migration (close #808)
 
 # version 0.78.2