WL#3754 Fix for mtr, added support personal configuration for test cases

mysql-test/lib/mtr_cases.pm:
  updated library
mysql-test/suite/rpl_ndb/r/rpl_ndb_circular_2ch.result:
  result file for test case

mysql-test/lib/mtr_cases.pm

@@ -748,6 +748,16 @@ sub collect_one_test_case {
   # Add slave opts, list of extra option only for slave
   # ----------------------------------------------------------------------
   process_opts_file($tinfo, "$testdir/$tname-slave.opt", 'slave_opt');
+  
+  
+  #-----------------------------------------------------------------------
+  # Check for test specific config file
+  #-----------------------------------------------------------------------
+  my $test_cnf_file= "$testdir/$tname.cnf";
+  if ( -f $test_cnf_file) {
+    # Specifies the configuration file to use for this test
+    $tinfo->{'template_path'}= $test_cnf_file;
+  }
 
   # ----------------------------------------------------------------------
   # master sh

mysql-test/suite/rpl_ndb/r/rpl_ndb_circular_2ch.result

@@ -97,5 +97,6 @@ COUNT(*)	SUM(a)	b
 100	64100	master1
 100	64000	slave
 
-DELETE FROM t1;
+DROP TABLE t1;
+DROP TABLE t1;