Set dummy app time_zone to Berlin

In order to test timezone based features and issues
it makes sense to use a different one than UTC.

spec/dummy/config/application.rb

@@ -30,5 +30,6 @@ class Application < Rails::Application
     # Application configuration can go into files in config/initializers
     # -- all .rb files in that directory are automatically loaded after loading
     # the framework and any gems in your application.
+    config.time_zone = "Berlin"
   end
 end

spec/libraries/forms/builder_spec.rb

@@ -50,7 +50,7 @@
 
         it_behaves_like "datepicker expect" do
           let(:type) { :date }
-          let(:value) { "2021-07-14T00:00:00Z" }
+          let(:value) { "2021-07-14T00:00:00+02:00" }
         end
       end
 
@@ -59,7 +59,7 @@
 
         it_behaves_like "datepicker expect" do
           let(:type) { :date }
-          let(:value) { "2021-08-01T00:00:00Z" }
+          let(:value) { "2021-08-01T00:00:00+02:00" }
         end
       end
     end

spec/models/alchemy/page_spec.rb

@@ -720,7 +720,7 @@ module Alchemy
         end
 
         it "returns a cache version string" do
-          expect(page.cache_version).to eq("2018-12-31 12:00:00 UTC")
+          expect(page.cache_version).to eq("2018-12-31 13:00:00 +0100")
         end
       end
 
@@ -1479,7 +1479,7 @@ module Alchemy
         end
 
         it "returns value" do
-          is_expected.to eq("2016-11-01".to_time(:utc))
+          is_expected.to eq("2016-11-01".to_time)
         end
       end
     end
@@ -1504,7 +1504,7 @@ module Alchemy
           end
 
           it "returns public_until from public version" do
-            is_expected.to eq("2016-11-01".to_time(:utc))
+            is_expected.to eq("2016-11-01".to_time)
           end
         end
 

spec/serializers/alchemy/element_serializer_spec.rb

@@ -10,7 +10,7 @@
   it "includes all attributes" do
     json = JSON.parse(subject)
     expect(json).to eq(
-      "created_at" => element.created_at.strftime("%FT%T.%LZ"),
+      "created_at" => element.created_at.strftime("%FT%T.%L+02:00"),
       "display_name" => element.display_name_with_preview_text,
       "dom_id" => element.dom_id,
       "id" => element.id,
@@ -21,7 +21,7 @@
       "page_version_id" => element.page_version_id,
       "position" => 1,
       "tag_list" => [],
-      "updated_at" => element.updated_at.strftime("%FT%T.%LZ")
+      "updated_at" => element.updated_at.strftime("%FT%T.%L+02:00")
     )
   end
 end