diff --git a/localtests/fail-drop-pk/create.sql b/localtests/fail-drop-pk/create.sql
new file mode 100644
index 0000000..5bb45f2
--- /dev/null
+++ b/localtests/fail-drop-pk/create.sql
@@ -0,0 +1,22 @@
+drop table if exists gh_ost_test;
+create table gh_ost_test (
+  id int auto_increment,
+  i int not null,
+  ts timestamp,
+  primary key(id)
+) auto_increment=1;
+
+drop event if exists gh_ost_test;
+delimiter ;;
+create event gh_ost_test
+  on schedule every 1 second
+  starts current_timestamp
+  ends current_timestamp + interval 60 second
+  on completion not preserve
+  enable
+  do
+begin
+  insert into gh_ost_test values (null, 11, now());
+  insert into gh_ost_test values (null, 13, now());
+  insert into gh_ost_test values (null, 17, now());
+end ;;
diff --git a/localtests/fail-drop-pk/expect_failure b/localtests/fail-drop-pk/expect_failure
new file mode 100644
index 0000000..021ae87
--- /dev/null
+++ b/localtests/fail-drop-pk/expect_failure
@@ -0,0 +1 @@
+No PRIMARY nor UNIQUE key found in table
diff --git a/localtests/fail-drop-pk/extra_args b/localtests/fail-drop-pk/extra_args
new file mode 100644
index 0000000..2017cbc
--- /dev/null
+++ b/localtests/fail-drop-pk/extra_args
@@ -0,0 +1 @@
+--alter="change id id int, drop primary key" 
diff --git a/localtests/test.sh b/localtests/test.sh
index ab7b459..c0b97a5 100755
--- a/localtests/test.sh
+++ b/localtests/test.sh
@@ -49,7 +49,7 @@ test_single() {
   echo -n "Testing: $test_name"
 
   echo_dot
-  gh-ost-test-mysql-replica -e "start slave"
+  gh-ost-test-mysql-replica -e "stop slave; start slave; do sleep(1)"
   echo_dot
   gh-ost-test-mysql-master --default-character-set=utf8mb4 test < $tests_path/$test_name/create.sql
 
@@ -59,12 +59,16 @@ test_single() {
   fi
   orig_columns="*"
   ghost_columns="*"
+  order_by=""
   if [ -f $tests_path/$test_name/orig_columns ] ; then
     orig_columns=$(cat $tests_path/$test_name/orig_columns)
   fi
   if [ -f $tests_path/$test_name/ghost_columns ] ; then
     ghost_columns=$(cat $tests_path/$test_name/ghost_columns)
   fi
+  if [ -f $tests_path/$test_name/order_by ] ; then
+    order_by="order by $(cat $tests_path/$test_name/order_by)"
+  fi
   # graceful sleep for replica to catch up
   echo_dot
   sleep 1
@@ -129,8 +133,8 @@ test_single() {
   fi
 
   echo_dot
-  orig_checksum=$(gh-ost-test-mysql-replica --default-character-set=utf8mb4 test -e "select ${orig_columns} from gh_ost_test" -ss | md5sum)
-  ghost_checksum=$(gh-ost-test-mysql-replica --default-character-set=utf8mb4 test -e "select ${ghost_columns} from _gh_ost_test_gho" -ss | md5sum)
+  orig_checksum=$(gh-ost-test-mysql-replica --default-character-set=utf8mb4 test -e "select ${orig_columns} from gh_ost_test ${order_by}" -ss | md5sum)
+  ghost_checksum=$(gh-ost-test-mysql-replica --default-character-set=utf8mb4 test -e "select ${ghost_columns} from _gh_ost_test_gho ${order_by}" -ss | md5sum)
 
   if [ "$orig_checksum" != "$ghost_checksum" ] ; then
     echo "ERROR $test_name: checksum mismatch"