Fix run-test-suites.pl to screen for files
Changes run-test-suites.pl to filter out directories, and select only files
as on OSX, test coverage tests create .dSYM directories which were being
accidentally selected to execute.
diff --git a/tests/scripts/run-test-suites.pl b/tests/scripts/run-test-suites.pl
index 9d362f3..6fe6abf 100755
--- a/tests/scripts/run-test-suites.pl
+++ b/tests/scripts/run-test-suites.pl
@@ -37,7 +37,7 @@
# and profiling information, etc. We can't just grep {! /\./} because
# some of our test cases' base names contain a dot.
my @suites = grep { -x $_ || /\.exe$/ } glob 'test_suite_*';
-@suites = grep { !/\.c$/ && !/\.data$/ } @suites;
+@suites = grep { !/\.c$/ && !/\.data$/ && -f } @suites;
die "$0: no test suite found\n" unless @suites;
# in case test suites are linked dynamically