Fixing misnaming of methods for mock classes in compute v2 digitalocean

lib/fog/digitalocean/requests/compute_v2/create_ssh_key.rb

@@ -26,7 +26,7 @@ module Fog
 
       # noinspection RubyStringKeysInHashInspection
       class Mock
-        def create_server(name, public_key)
+        def create_ssh_key(name, public_key)
           response        = Excon::Response.new
           response.status = 202
 

lib/fog/digitalocean/requests/compute_v2/delete_server.rb

@@ -18,9 +18,11 @@ module Fog
       # noinspection RubyStringKeysInHashInspection
       class Mock
         def delete_server(_)
-          response(:status => 204)
+          response        = Excon::Response.new
+          response.status = 204
+          response
         end
       end
     end
   end
-end
+end

lib/fog/digitalocean/requests/compute_v2/delete_ssh_key.rb

@@ -18,9 +18,10 @@ module Fog
       # noinspection RubyStringKeysInHashInspection
       class Mock
         def delete_ssh_key(_)
-          response(:status => 204)
-        end
+          response        = Excon::Response.new
+          response.status = 204
+          response        end
       end
     end
   end
-end
+end

lib/fog/digitalocean/requests/compute_v2/list_regions.rb

@@ -13,7 +13,7 @@ module Fog
 
       # noinspection RubyStringKeysInHashInspection
       class Mock
-        def list_images
+        def list_regions
           response        = Excon::Response.new
           response.status = 200
           response.body   = {

lib/fog/digitalocean/requests/compute_v2/update_ssh_key.rb

@@ -25,7 +25,7 @@ module Fog
 
       # noinspection RubyStringKeysInHashInspection
       class Mock
-        def update_server(key_id, name)
+        def update_ssh_key(key_id, name)
           response        = Excon::Response.new
           response.status = 200