Copy built-in InnoDB tests to mysql-test/suite/innodb_plugin.

mysql-test/suite/innodb_plugin/t/innodb-autoinc-optimize.test

@@ -0,0 +1,19 @@
+-- source include/have_innodb_plugin.inc
+# embedded server ignores 'delayed', so skip this
+-- source include/not_embedded.inc
+
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+#
+# Bug 34286
+#
+create table t1(a int not null auto_increment primary key) engine=innodb;
+insert into t1 set a = -1;
+# NOTE: The database needs to be shutdown and restarted (here) for
+# the test to work. It's included for reference only.
+optimize table t1;
+
+--echo ==== clean up ====
+DROP TABLE t1;