diff -Nru ruby-em-synchrony-1.0.5/debian/changelog ruby-em-synchrony-1.0.5/debian/changelog
--- ruby-em-synchrony-1.0.5/debian/changelog	2016-07-06 17:29:18.000000000 +0000
+++ ruby-em-synchrony-1.0.5/debian/changelog	2016-12-19 01:17:19.000000000 +0000
@@ -1,3 +1,10 @@
+ruby-em-synchrony (1.0.5-2) unstable; urgency=medium
+
+  * Team upload.
+  * Switch to default-mysql-server for tests (Closes: #848288)
+
+ -- Christian Hofstaedtler <zeha@debian.org>  Mon, 19 Dec 2016 01:17:19 +0000
+
 ruby-em-synchrony (1.0.5-1) unstable; urgency=medium
 
   * Team upload
diff -Nru ruby-em-synchrony-1.0.5/debian/control ruby-em-synchrony-1.0.5/debian/control
--- ruby-em-synchrony-1.0.5/debian/control	2016-07-06 17:29:18.000000000 +0000
+++ ruby-em-synchrony-1.0.5/debian/control	2016-12-19 01:17:19.000000000 +0000
@@ -7,7 +7,7 @@
 Build-Depends: debhelper (>= 9),
                gem2deb,
                memcached,
-               mysql-server,
+               default-mysql-server | virtual-mysql-server,
                procps,
                redis-server,
                ruby-activerecord,
diff -Nru ruby-em-synchrony-1.0.5/debian/start_services_and_run.sh ruby-em-synchrony-1.0.5/debian/start_services_and_run.sh
--- ruby-em-synchrony-1.0.5/debian/start_services_and_run.sh	2016-07-06 17:29:18.000000000 +0000
+++ ruby-em-synchrony-1.0.5/debian/start_services_and_run.sh	2016-12-19 01:17:19.000000000 +0000
@@ -26,7 +26,11 @@
 
 # Start mysqld
 mysql_install_db --no-defaults --datadir=${MYTEMP_DIR} --force --skip-name-resolve --user=${DO_MYSQL_USER}
-/usr/sbin/mysqld --no-defaults --user=${DO_MYSQL_USER} --socket=${MYSQL_UNIX_PORT} --datadir=${MYTEMP_DIR} --skip-networking &
+cat >${MYTEMP_DIR}/init.sql <<EOT
+UPDATE mysql.user SET plugin = "";
+FLUSH PRIVILEGES;
+EOT
+/usr/sbin/mysqld --no-defaults --user=${DO_MYSQL_USER} --socket=${MYSQL_UNIX_PORT} --datadir=${MYTEMP_DIR} --skip-networking --init-file=${MYTEMP_DIR}/init.sql &
 echo -n pinging mysqld.
 attempts=0
 while ! /usr/bin/mysqladmin --user=${DO_MYSQL_USER} --socket=${MYSQL_UNIX_PORT} ping ; do