Fix a bad test that will fail when we upgrade to mysql 5.1

docs/changelog/7.x.x.txt

@@ -1,6 +1,7 @@
 7.6.13
  - fixed #9760: DataForm not working in demo.plainblack.com
  - fixed #9759: Delete Entry Button missing in Data Form
+ - fixed #9767: FileAsset breaks 'null' rule for FileAsset table
 
 7.6.12
  - fixed: During postback on a recurring transaction, the routine could error out instead of catching an error.

t/Asset/AssetExportHtml.t

@@ -280,6 +280,8 @@ my $properties = {
     title       => 'Export Test',
     className   => 'WebGUI::Asset::File',
     url         => 'export-test.pl',
+    storageId   => $storage->getId,
+    filename    => 'somePerlFile_pl.txt',
 };
 my $defaultAsset = WebGUI::Asset->getDefault($session);
 my $asset = $defaultAsset->addChild($properties, $properties->{id});