phosphor-ldap-conf: add unit tests

Added uinit tests to create and to restore config file.

Change-Id: Idf5231d46542cda1ff84241aa67aadd91a4788d6
Signed-off-by: Nagaraju Goruganti <ngorugan@in.ibm.com>
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
Signed-off-by: Nagaraju Goruganti <ngorugan@in.ibm.com>
diff --git a/.gitignore b/.gitignore
index 961e9b3..cc2c852 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,3 +47,11 @@
 /*-libtool
 .project
 /phosphor-ldap-mapper/phosphor-ldap-mapper
+/phosphor-ldap-config/phosphor-ldap-conf
+/test/ldap_config_test
+/test/utest
+/test/ldap_config_test.log
+/test/ldap_config_test.trs
+/test/test-suite.log
+/test/utest.log
+/test/utest.trs