removes redundant code

Author: rashidsp

spec/notification_center_spec.rb

@@ -28,8 +28,7 @@
 
   before(:context) do
     class CallBack
-      def call(args)
-        args
+      def call
       end
     end
 
@@ -106,8 +105,7 @@ def call(args)
       it 'should add and return notification ID when multiple
             valid callbacks are added for a single notification type' do
         class CallBackSecond
-          def call(_args)
-            'Test multi listner.'
+          def call
           end
         end
 
@@ -164,12 +162,7 @@ def call(_args)
       let(:notification_center) { Optimizely::NotificationCenter.new(spy_logger, raise_error_handler) }
       before(:example) do
         @inner_notification_center = notification_center
-        class CallBackSecond
-          def call(_args)
-            'Test remove notification.'
-          end
-        end
-
+        
         @callback_second = CallBackSecond.new
         @callback_reference_second = @callback_second.method(:call)
         # add a callback for multiple notification types
@@ -319,18 +312,12 @@ def call(_args)
       let(:notification_center) { Optimizely::NotificationCenter.new(spy_logger, raise_error_handler) }
       before(:example) do
         @inner_notification_center = notification_center
-        class CallBackSecond
-          def call(_args)
-            'Test remove notification.'
-          end
-        end
-
+        
         @callback_second = CallBackSecond.new
         @callback_reference_second = @callback_second.method(:call)
 
         class CallBackThird
-          def call(_args)
-            'Test remove notification.'
+          def call
           end
         end
 
@@ -404,8 +391,7 @@ def deliver_two(_args)
           @logger.log Logger::INFO, 'delivered two.'
         end
 
-        def deliver_three(_args)
-          @logger.log Logger::INFO, 'delivered three.'
+        def deliver_three
         end
       end
       let(:raise_error_handler) { Optimizely::RaiseErrorHandler.new }