Update logic and correc test

Author: gcatanese

lib/adyen/client.rb

@@ -64,8 +64,6 @@ def live_url_prefix=(value)
 
     # base URL for API given service and @env
     def service_url_base(service)
-      # maps 'Disputes' to expected service name 'DisputesService' for URL matching
-      service = 'DisputesService' if service == 'Disputes'
       if @env == :mock
         @mock_service_url_base
       else
@@ -82,8 +80,11 @@ def service_url_base(service)
         when 'PosTerminalManagement'
           url = "https://postfmapi-#{@env}.adyen.com/postfmapi/terminal"
           supports_live_url_prefix = false
-        when 'DataProtectionService', 'DisputesService'
-          url = "https://ca-#{@env}.adyen.com/ca/services/#{service}"
+        when 'Disputes'
+          url = "https://ca-#{@env}.adyen.com/ca/services/DisputeService"
+          supports_live_url_prefix = false
+        when 'DataProtection'
+          url = "https://ca-#{@env}.adyen.com/ca/services/DataProtectionService"
           supports_live_url_prefix = false
         when 'LegalEntityManagement'
           url = "https://kyc-#{@env}.adyen.com/lem"

spec/client_spec.rb

@@ -300,7 +300,7 @@
   it 'correctly maps Disputes to DisputesService and generates valid URL' do
     client = Adyen::Client.new(env: :test)
     expect(client.service_url_base('Disputes'))
-      .to eq('https://ca-test.adyen.com/ca/services/DisputesService')
+      .to eq('https://ca-test.adyen.com/ca/services/DisputeService')
   end  
 
   it 'checks the creation of SessionAuthentication url for the test env' do