Since changes to the confluence build,
the optimized plan always runs the following set of tests, regardless of whether they were modified or not:

https://bamboo.extranet.atlassian.com/browse/CONFFUNC-OPTIMIZED-625/log
17-Jul 12:17 com.atlassian.confluence.ActionAutowireSecurityAcceptanceTest
com.atlassian.confluence.AntiXSSAcceptanceTest
com.atlassian.confluence.AttachmentAcceptanceTest
com.atlassian.confluence.BrowseMenuAcceptanceTest
com.atlassian.confluence.BrowseSpaceAcceptanceTest
com.atlassian.confluence.CacheStatisticsAcceptanceTest
com.atlassian.confluence.ColourSchemeAcceptanceTest
com.atlassian.confluence.CustomizeLogoAcceptanceTest
com.atlassian.confluence.DateFormatAcceptanceTest
com.atlassian.confluence.DecoratorAcceptanceTest
com.atlassian.confluence.DiffPagesAcceptanceTest
com.atlassian.confluence.DraftsAcceptanceTest
com.atlassian.confluence.EditGlobalPermissionsAcceptanceTest
com.atlassian.confluence.EmbeddedObjectAcceptanceTest
com.atlassian.confluence.FiveHundredPageSecurityAcceptanceTest
com.atlassian.confluence.GalleryAcceptanceTest
com.atlassian.confluence.GlobalAdminAcceptanceTest
com.atlassian.confluence.GroupPickerAcceptanceTest
com.atlassian.confluence.GzipFilterAcceptanceTest
com.atlassian.confluence.HtmlExportAcceptanceTest
com.atlassian.confluence.HttpHeadersAcceptanceTest
com.atlassian.confluence.ImportPagesFromDiskAcceptanceTest
com.atlassian.confluence.IndexingAcceptanceTest
com.atlassian.confluence.JohnsonFilterAcceptanceTest
com.atlassian.confluence.LabelsAcceptanceTest
com.atlassian.confluence.LicensingAcceptanceTest
com.atlassian.confluence.LinkTypeAcceptanceTest
com.atlassian.confluence.MacrosAcceptanceTest
com.atlassian.confluence.MailAcceptanceTest
com.atlassian.confluence.MultipleAttachmentsAcceptanceTest
com.atlassian.confluence.NotificationContentsAcceptanceTest
com.atlassian.confluence.NotificationsAcceptanceTest
com.atlassian.confluence.OrphanedPagesAcceptanceTest
com.atlassian.confluence.PageListingAcceptanceTest
com.atlassian.confluence.PagePermissionsAcceptanceTest
com.atlassian.confluence.PageTemplatesAcceptanceTest
com.atlassian.confluence.PageTitlesAcceptanceTest
com.atlassian.confluence.PeopleDirectoryAcceptanceTest
com.atlassian.confluence.PersonalSpaceAcceptanceTest
com.atlassian.confluence.PluginDecorationAcceptanceTest
com.atlassian.confluence.RemoveSpaceAcceptanceTest
com.atlassian.confluence.RssFeedBuilderAcceptanceTest
com.atlassian.confluence.SearchAcceptanceTest
com.atlassian.confluence.ServletPluginAcceptanceTest
com.atlassian.confluence.SignupAcceptanceTest
com.atlassian.confluence.SiteExportAcceptanceTest
com.atlassian.confluence.SpaceAdminAcceptanceTest
com.atlassian.confluence.SpaceAdminPermissionsAcceptanceTest
com.atlassian.confluence.SpaceGroupAcceptanceTest
com.atlassian.confluence.SpaceLabelsAcceptanceTest
com.atlassian.confluence.SpacePermissionsAcceptanceTest
com.atlassian.confluence.SpaceTemplateAcceptanceTest
com.atlassian.confluence.SpacesListMacroAcceptanceTest
com.atlassian.confluence.StylesheetAcceptanceTest
com.atlassian.confluence.SupportRequestAcceptanceTest
com.atlassian.confluence.ThreadedCommentAcceptanceTest
com.atlassian.confluence.TrashCanAcceptanceTest
com.atlassian.confluence.TrustedApplicationAcceptanceTest
com.atlassian.confluence.UndefinedPagesAcceptanceTest
com.atlassian.confluence.UserMacrosAcceptanceTest
com.atlassian.confluence.UserManagementAcceptanceTest
com.atlassian.confluence.UserMenuAcceptanceTest
com.atlassian.confluence.UserPickerAcceptanceTest
com.atlassian.confluence.UserProfileAcceptanceTest
com.atlassian.confluence.WysiwygRoundTripBugAcceptanceTest