Bump json-schema and remove json-schema-rspec (unmaintained)

Gemfile

@@ -22,7 +22,7 @@ gem "diaspora_federation-rails", "0.2.7"
 
 gem "acts_as_api", "1.0.1"
 gem "json",        "2.6.2"
-gem "json-schema", "2.8.1"
+gem "json-schema", "3.0.0"
 
 # Authentication
 
@@ -269,7 +269,6 @@ group :test do
 
   gem "fixture_builder",   "0.5.2"
   gem "fuubar",            "2.5.1"
-  gem "json-schema-rspec", "0.0.4"
   gem "rspec-json_expectations", "~> 2.1"
 
   # Cucumber (integration tests)

Gemfile.lock

@@ -371,11 +371,8 @@ GEM
       activesupport (>= 4.2)
       aes_key_wrap
       bindata
-    json-schema (2.8.1)
-      addressable (>= 2.4)
-    json-schema-rspec (0.0.4)
-      json-schema (~> 2.5)
-      rspec
+    json-schema (3.0.0)
+      addressable (>= 2.8)
     jsonpath (1.1.0)
       multi_json
     jwt (2.3.0)
@@ -502,7 +499,7 @@ GEM
     pry-byebug (3.8.0)
       byebug (~> 11.0)
       pry (~> 0.10)
-    public_suffix (4.0.6)
+    public_suffix (4.0.7)
     raabro (1.4.0)
     racc (1.6.0)
     rack (2.2.3.1)
@@ -628,10 +625,6 @@ GEM
       chunky_png (~> 1.0)
       rqrcode_core (~> 1.0)
     rqrcode_core (1.2.0)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
     rspec-core (3.10.1)
       rspec-support (~> 3.10.0)
     rspec-expectations (3.10.1)
@@ -846,8 +839,7 @@ DEPENDENCIES
   js-routes (= 2.1.2)
   js_image_paths (= 0.1.1)
   json (= 2.6.2)
-  json-schema (= 2.8.1)
-  json-schema-rspec (= 0.0.4)
+  json-schema (= 3.0.0)
   leaflet-rails (= 1.7.0)
   listen (= 3.5.1)
   logging-rails (= 0.6.0)

spec/integration/exporter_spec.rb

@@ -16,7 +16,8 @@ describe Diaspora::Exporter do
         %i[generic_user_data activity status_messages_flavours work_aspect]
       )
 
-      expect(JSON.parse(json)).to match_json_schema(:archive_schema)
+      errors = JSON::Validator.fully_validate("lib/schemas/archive-format.json", JSON.parse(json))
+      expect(errors).to be_empty
     end
 
     it "contains basic user data" do

spec/spec_helper.rb

@@ -133,9 +133,6 @@ RSpec.configure do |config|
 
   config.include FactoryGirl::Syntax::Methods
 
-  config.include JSON::SchemaMatchers
-  config.json_schemas[:archive_schema] = "lib/schemas/archive-format.json"
-
   JSON::Validator.add_schema(
     JSON::Schema.new(
       DiasporaFederation::Schemas.federation_entities,