diff --git a/test/unit/train_test.rb b/test/unit/train_test.rb
index e3b639eb..d07dad8b 100644
--- a/test/unit/train_test.rb
+++ b/test/unit/train_test.rb
@@ -9,20 +9,20 @@
     Train::Plugins.registry.clear
   end
 
-  let(:default_options) {
+  let(:default_audit_log_options) {
     {
       enable_audit_log: {
         default: false,
       },
       audit_log_location: {
-        default: nil,
         required: true,
+        default: nil,
       },
       audit_log_app_name: {
         default: "train",
       },
       audit_log_size: {
-        default: 2000000,
+        default: 2097152,
       },
       audit_log_frequency: {
         default: "daily",
@@ -69,9 +69,9 @@
       _ { Train.options("missing") }.must_raise Train::PluginLoadError
     end
 
-    it "provides empty options of a transport plugin" do
+    it "provides list of default options of a transport plugin" do
       Class.new(Train.plugin 1) { name "none" }
-      _(Train.options("none")).must_equal({})
+      _(Train.options("none")).must_equal(default_audit_log_options)
     end
 
     it "provides all options of a transport plugin" do
@@ -79,12 +79,13 @@
         name "one"
         option :one, required: true, default: 123
       end
-      _(Train.options("one")).must_equal({
+      output = {
         one: {
           required: true,
           default: 123,
-        },
-      })
+        }
+      }.merge(default_audit_log_options)
+      _(Train.options("one")).must_equal(output)
     end
   end