add webmock

shard.yml

@@ -11,3 +11,8 @@ license: MIT
 dependencies:
   myhtml:
     github: kostya/myhtml
+
+development_dependencies:
+  webmock:
+    github: manastech/webmock.cr
+    branch: master

spec/mechanize_spec.cr

@@ -1,9 +1,13 @@
 require "./spec_helper"
+require "webmock"
+WebMock.stub(:any, "example.com")
 
 describe Mechanize do
   # TODO: Write tests
 
   it "works" do
-    false.should eq(true)
+    response = HTTP::Client.get("http://example.com")
+    response.body.should eq ""
+    response.status_code.should eq 200
   end
 end