The recovery of TEST did not succeed, since you probably recovered until after the table was dropped. The recovery of STEST did not succeed since you recovered the db completely. To restore from HOT backup, you need all dbf, controlfile and arch files (not online redo log files). Only when you recover/startup from cold backup, you need the online redo log files along with controlfile, all dbf and arch files.
Find out exactly when the table was dropped. Restore from hot backup and recover until about a few seconds before the table was dropped.