expired timeout on debx86-b in PB

Turned off general log when importing DB dump in the test 
case for bug #41486 due to the bug in CSV engine code that 
makes logging long SQL query too slow.

mysql-test/r/mysql-bug41486.result:
  Turned off general log when importing DB dump in the test 
  case for bug #41486 due to the bug in CSV engine code that 
  makes logging long SQL query too slow.
mysql-test/t/mysql-bug41486.test:
  Turned off general log when importing DB dump in the test 
  case for bug #41486 due to the bug in CSV engine code that 
  makes logging long SQL query too slow.