[VOL-2254] Fix for unit test failing

Change-Id: I646fc9865c096c65b7d0660b1654955d55ba3951
diff --git a/vendor/github.com/phayes/freeport/.gitignore b/vendor/github.com/phayes/freeport/.gitignore
new file mode 100644
index 0000000..1521c8b
--- /dev/null
+++ b/vendor/github.com/phayes/freeport/.gitignore
@@ -0,0 +1 @@
+dist