# Scan for relevant tests
-tests_exit(-1, "Failed to unlink $log_summary_filename") if !unlink($log_summary_filename);
+tests_exit(-1, "Failed to unlink $log_summary_filename")
+ if (-e $log_summary_filename && !unlink($log_summary_filename));
for ($i = 0; $i < @test_dirs; $i++)
{
my($testdir) = $test_dirs[$i];