diff --git a/spec/lib/core_extensions/rack/handler_spec.rb b/spec/lib/core_extensions/rack/handler_spec.rb
new file mode 100644
index 00000000..d2fcdd15
--- /dev/null
+++ b/spec/lib/core_extensions/rack/handler_spec.rb
@@ -0,0 +1,12 @@
+require 'rails_helper'
+require "#{Rails.root}/lib/core_extensions/rack/handler"
+
+RSpec.describe Rack::Handler do
+
+    describe 'default webserver' do
+        it 'should be puma' do
+            argument = 'argument'
+            expect(Rack::Handler.default argument).to eq(Rack::Handler::Puma)
+        end
+    end
+end
\ No newline at end of file