Some migrations can't be reverted

[Torgen]

• CreateTestData uses "Test 1" as the category in the revert and "Egype" in the prepare.
• StreamPhotoSchemaV2 fails with:
  [ ERROR ] [Migrator] Failed revert [database-id: psql, error: PSQLError(code: server, serverInfo: [sqlState: 42710, file: tablecmds.c, line: 8767, message: constraint "fk:streamphoto.at_event+streamphoto.id" for relation "streamphoto" already exists, routine: ATExecAddConstraint, localizedSeverity: ERROR, severity: ERROR], triggeredFromRequestInFile: PostgresKit/PostgresDatabase+SQL.swift, line: 57, query: PostgresQuery(sql: ALTER TABLE "streamphoto" ADD CONSTRAINT "fk:streamphoto.at_event+streamphoto.id" FOREIGN KEY ("at_event") REFERENCES "event" ("id") ON DELETE NO ACTION ON UPDATE NO ACTION, binds: [])), migration: swiftarr.StreamPhotoSchemaV2]