Format properly mtr report for the test case that is not completed

- Fixes 29e8c154 (MDEV-25857)
Review by: <@mariadb.com>

mysql-test/mariadb-test-run.pl

@@ -509,11 +509,12 @@ sub main {
   }
 
   if ( not @$completed ) {
-    my $test_name= mtr_grab_file($path_current_testlog);
+    my $test_name= mtr_grab_file($path_testlog);
     $test_name =~ s/^CURRENT_TEST:\s//;
+    chomp($test_name);
     my $tinfo = My::Test->new(name => $test_name);
     $tinfo->{result}= 'MTR_RES_FAILED';
-    $tinfo->{logfile}=$path_current_testlog;
+    $tinfo->{comment}=' ';
     mtr_report_test($tinfo);
     mtr_error("Test suite aborted");
   }