mongoid2 failures not allowed in Travis anymore

.travis.yml

@@ -16,6 +16,3 @@ env:
   - orm=mongo_mapper
 services:
   - mongodb
-matrix:
-  allow_failures:
-    - env: orm=mongoid2

spec/requests/flows/authorization_code_spec.rb

@@ -53,7 +53,7 @@
 
     should_have_json 'access_token', Doorkeeper::AccessToken.first.token
     should_have_json 'token_type',   "bearer"
-    should_have_json 'expires_in',   Doorkeeper::AccessToken.first.expires_in
+    should_have_json_within 'expires_in', Doorkeeper::AccessToken.first.expires_in, 1
   end
 
   context 'with scopes' do

spec/requests/flows/client_credentials_spec.rb

@@ -11,7 +11,7 @@
       post '/oauth/token', params, headers
 
       should_have_json 'access_token', Doorkeeper::AccessToken.first.token
-      should_have_json 'expires_in', Doorkeeper.configuration.access_token_expires_in
+      should_have_json_within 'expires_in', Doorkeeper.configuration.access_token_expires_in, 1
       should_not_have_json 'scope'
       should_not_have_json 'refresh_token'
 

spec/support/helpers/request_spec_helper.rb

@@ -47,6 +47,10 @@ def should_have_json(key, value)
     expect(JSON.parse(response.body).fetch(key)).to eq(value)
   end
 
+  def should_have_json_within(key, value, range)
+    expect(JSON.parse(response.body).fetch(key)).to be_within(range).of(value)
+  end
+
   def should_not_have_json(key)
     expect(JSON.parse(response.body)).not_to have_key(key)
   end