Adding unit test cass

Author: Suma Prakash

README.md

@@ -273,6 +273,14 @@ intercom.events.create(
 
 # Retrieve event list for user with id:'123abc'
  intercom.events.find_all("type" => "user", "intercom_user_id" => "123abc")
+
+# Retrieve the event summary for user with id: 'abc' this will return an event object with the following characteristics: 
+# name - name of the event
+# first - time when event first occured.
+# last - time when event last occured
+# count - nmber of times the event occured
+# description -  description of the event
+ events = intercom.events.find_all(type: 'user',intercom_user_id: 'abc',summary: true)
 ```
 
 Metadata Objects support a few simple types that Intercom can present on your behalf

spec/unit/intercom/event_spec.rb

@@ -22,6 +22,13 @@
     _(event_names).must_equal %W(invited-friend)
   end
 
+  it "able to fetch event summary" do
+    client.expects(:get).with("/events", type: 'user', email: 'joe@example.com', summary: true).returns(page_of_events(false))
+    event_names = []
+    client.events.find_all(type: 'user', email: 'joe@example.com',summary: true).each { |event| event_names << event.event_name }
+    _(event_names).must_equal %W(invited-friend)
+  end
+
   it "keeps iterating if next link" do
     client.expects(:get).with("/events", type: 'user', email: 'joe@example.com').returns(page_of_events(true))
     client.expects(:get).with("https://api.intercom.io/events?type=user&intercom_user_id=55a3b&before=144474756550", {}).returns(page_of_events(false))