MDEV-13005: Fixing bugs in SEQUENCE, part 3, 2/5

Task 2:
changed the error message and made it more reusable.

mysql-test/suite/sql_sequence/create.test

@@ -525,3 +525,7 @@ DROP SEQUENCE s1;
 --echo # Task 1:
 --error ER_UNKNOWN_SEQUENCES
 SET @x = PREVIOUS VALUE FOR x;
+
+--echo # Task 2:
+--error ER_SEQUENCE_INVALID_DATA
+CREATE SEQUENCE x START WITH 1 INCREMENT BY 123456789012345678;