diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index f84da1ed132..7ad83087a5c 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -3742,6 +3742,11 @@ sub mysqld_arguments ($$$$) {
   mtr_add_arg($args, "%s--language=%s", $prefix, $path_language);
   mtr_add_arg($args, "%s--tmpdir=$opt_tmpdir", $prefix);
 
+  # Increase default connect_timeout to avoid intermittent
+  # disconnects when test servers are put under load
+  # see BUG#28359
+  mtr_add_arg($args, "%s--connect-timeout=60", $prefix);
+
   if ( $opt_valgrind_mysqld )
   {
     mtr_add_arg($args, "%s--skip-safemalloc", $prefix);
diff --git a/sql/mysql_priv.h b/sql/mysql_priv.h
index 375782787a3..527b0368f11 100644
--- a/sql/mysql_priv.h
+++ b/sql/mysql_priv.h
@@ -327,8 +327,13 @@ protected:
 #define PRECISION_FOR_DOUBLE 53
 #define PRECISION_FOR_FLOAT  24
 
+/*
+  Default time to wait before aborting a new client connection
+  that does not respond to "initial server greeting" timely
+*/
+#define CONNECT_TIMEOUT		10
+
 /* The following can also be changed from the command line */
-#define CONNECT_TIMEOUT		5		// Do not wait long for connect
 #define DEFAULT_CONCURRENCY	10
 #define DELAYED_LIMIT		100		/* pause after xxx inserts */
 #define DELAYED_QUEUE_SIZE	1000
diff --git a/sql/udf_example.c b/sql/udf_example.c
index 6c07a929b04..6f2093cc92f 100644
--- a/sql/udf_example.c
+++ b/sql/udf_example.c
@@ -1106,11 +1106,12 @@ char * is_const(UDF_INIT *initid, UDF_ARGS *args __attribute__((unused)),
 }
 
 
+
 my_bool check_const_len_init(UDF_INIT *initid, UDF_ARGS *args, char *message)
 {
   if (args->arg_count != 1)
   {
-    strmov(message, "IS_CONST accepts only one argument");
+    strmov(message, "CHECK_CONST_LEN accepts only one argument");
     return 1;
   }
   if (args->args[0] == 0)
@@ -1140,5 +1141,4 @@ char * check_const_len(UDF_INIT *initid, UDF_ARGS *args __attribute__((unused)),
 }
 
 
-
 #endif /* HAVE_DLOPEN */