test: fix bios JSON in the test file

1. `object_path` should contain `dbus` objects.
2. the difference between `default_value` and `lower_bound` should be
   an integer multiple of `scalar_increment`.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: Id91cbdcc13ed1af51deb7d049b65e9488767c5d6
diff --git a/test/bios_jsons/enum_attrs.json b/test/bios_jsons/enum_attrs.json
index 0b48be7..24c20ff 100644
--- a/test/bios_jsons/enum_attrs.json
+++ b/test/bios_jsons/enum_attrs.json
@@ -4,9 +4,9 @@
          "attribute_name" : "HMCManagedState",
          "possible_values" : [ "On", "Off" ],
          "default_values" : [ "On" ],
-         "object_path" : "/xyz/abc/def",
          "dbus":
             {
+               "object_path" : "/xyz/abc/def",
                "interface" : "xyz.openbmc_project.HMCManaged.State",
                "property_name" : "State",
                "property_type" : "string",