add query params test

spec/mechanize_spec.cr

@@ -3,11 +3,21 @@ require "webmock"
 WebMock.stub(:any, "example.com")
 
 describe Mechanize do
-  it "simple get" do
+  it "simple GET" do
     agent = Mechanize.new
     uri = "http://example.com/"
     page = agent.get(uri)
     page.code.should eq 200
     page.uri.to_s.should eq uri
   end
+
+  it "GET with query parameter" do
+    WebMock.stub(:get, "http://example.com/?foo=bar&foo1=bar2")
+    agent = Mechanize.new
+    params = {"foo" => "bar", "foo1" => "bar2"}
+    uri = "http://example.com/"
+    page = agent.get(uri, params: params)
+    page.code.should eq 200
+    page.uri.to_s.should eq "http://example.com/?foo=bar&foo1=bar2"
+  end
 end