oracle TNS error

HI,

These are my TNS files I have two database on the testserv
and I face the error when I am try to connect with the database
there is no listener   -- ora-12541:tns:no listener

I am waiting for you replay

bye



# LISTENER.ORA Network Configuration File: C:\oracle\ora92\network\admin\listener.ora
# Generated by Oracle configuration tools.

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST =  testserv)(PORT = 1521))
      )
    )
  )

    (SID_DESC =
      (GLOBAL_DBNAME = oratest)
     (ORACLE_HOME = C:\oracle\ora92)
      (SID_NAME = oratest)
    )

    (SID_DESC =
      (GLOBAL_DBNAME = db652)
      (ORACLE_HOME = C:\oracle\ora92)
      (SID_NAME = db652)
    )
  )
-----
# TNSNAMES.ORA Network Configuration File: C:\oracle\ora92\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
--------
ORATEST =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = TESTSERV)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = oratest)
    )
  )


db652=
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = TESTSERV)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = db652)
    )
  )
-------------
# SQLNET.ORA Network Configuration File: C:\oracle\ora92\network\admin\sqlnet.ora
# Generated by Oracle configuration tools.

SQLNET.AUTHENTICATION_SERVICES= (NTS)