test for the bug #1885: mysqldump does not dumps timestamp default.

mysql-test/r/type_timestamp.result

@@ -122,3 +122,5 @@ t2	t4	t6	t8	t10	t12	t14
 0000-00-00 00:00:00	0000-00-00 00:00:00	0000-00-00 00:00:00	0000-00-00 00:00:00	0000-00-00 00:00:00	0000-00-00 00:00:00	0000-00-00 00:00:00
 1997-12-31 23:47:59	1997-12-31 23:47:59	1997-12-31 23:47:59	1997-12-31 23:47:59	1997-12-31 23:47:59	1997-12-31 23:47:59	1997-12-31 23:47:59
 drop table t1;
+create table t1 (a timestamp default 1);
+Invalid default value for 'a'

mysql-test/t/type_timestamp.test

@@ -72,3 +72,9 @@ set new=1;
 select * from t1;
 drop table t1;
 
+#
+# Bug #1885
+#
+
+--error 1067
+create table t1 (a timestamp default 1);