allow suite.pm to skip combinations that originate from test/include files.

storage/innobase/handler/handler0alter.cc:
  for NEWDATE key_type says unsigned, thus col->prtype says unsigned,
  but field->flags says signed. Use the same flag for value retrieval
  that was used for value storage.

mysql-test/suite/innodb/t/innodb_bug40565.test

@@ -1,3 +1,4 @@
+--source include/have_innodb.inc
 # Bug #40565 Update Query Results in "1 Row Affected" But Should Be "Zero Rows"
 
 create table bug40565(value decimal(4,2)) engine=innodb;