Add testcase

Add a basic test that simply runs the server.

Change-Id: Ie682df8cf4dd755852e4fb07ccbc83e8bb13d629
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/test/.gitignore b/test/.gitignore
new file mode 100644
index 0000000..29dac0c
--- /dev/null
+++ b/test/.gitignore
@@ -0,0 +1 @@
+phosphor-hwmon-test