Recovered LocalCensusRecord model validations

app/models/local_census_record.rb

@@ -1,3 +1,6 @@
 class LocalCensusRecord < ActiveRecord::Base
-
+  validates :document_number, presence: true
+  validates :document_type, presence: true
+  validates :date_of_birth, presence: true
+  validates :postal_code, presence: true
 end

spec/lib/local_census_spec.rb

@@ -28,7 +28,7 @@ describe LocalCensus do
   end
 
   describe '#call' do
-    let(:invalid_body) { create(:local_census_record, postal_code: '') }
+    let(:invalid_body) { nil }
     let(:valid_body) { create(:local_census_record) }
 
     it "returns the response for the first valid variant" do