Fix spec

spec/weather-model_spec.rb

@@ -33,15 +33,15 @@ RSpec.describe WeatherModel do
     end
 
     it 'Test factory_girl' do
-      expect(@obj.class).to eq(Forecast::CityForecast), 'factory_girl 生成成功'
+      expect(@obj.class).to eq(::WeatherModel::Forecast::CityForecast), 'factory_girl 生成成功'
     end
     
   end
 
   it 'Forecast' do
     @expire = 1
-    mysql = Forecast::CityForecast
-    ohm = ohm
+    mysql = ::WeatherModel::Forecast::CityForecast
+    ohm = ::WeatherModel::Forecast::CityForecast::Ohm
     ohm.expire @expire
     mysql_obj = mysql.create({
           datetime: '2017-05-16',
@@ -66,7 +66,7 @@ RSpec.describe WeatherModel do
   end
 
   it 'aqi_forecast' do
-    @aqi_forecast = Aqi::AqiForecast.create(
+    @aqi_forecast = ::WeatherModel::Aqi::AqiForecast.create(
       datetime: Time.now,
       prompt: '',
       list: [
@@ -83,8 +83,8 @@ RSpec.describe WeatherModel do
         },
       ]
     )
-    expect(Aqi::AqiForecast.all.first.list.class).to eq(Array), 'Mysql json_column 正常'
-    expect(Aqi::AqiForecast::Ohm.all.first.list.class).to eq(Array), 'Ohm json_column 正常'
+    expect(::WeatherModel::Aqi::AqiForecast.all.first.list.class).to eq(Array), 'Mysql json_column 正常'
+    expect(::WeatherModel::Aqi::AqiForecast::Ohm.all.first.list.class).to eq(Array), 'Ohm json_column 正常'
   end
   
   describe 'test Ohm # to_h' do