Add specs to accept comma as a fraction separator in billing price

#475

spec/views/admin/billing/prices/_form.html.erb_spec.rb

@@ -0,0 +1,19 @@
+require 'rails_helper'
+require 'views/shared_examples/money_form_field'
+
+RSpec.describe 'admin/billing/prices/_form' do
+  let(:price) { build_stubbed(:price) }
+
+  before :example do
+    allow(view).to receive(:price).and_return(price)
+    allow(view).to receive(:zones).and_return([])
+    allow(view).to receive(:operation_categories).and_return([])
+    allow(view).to receive(:durations).and_return([])
+    stub_template '_form_errors' => ''
+  end
+
+  describe 'price' do
+    let(:field) { page.find('#price_price') }
+    it_behaves_like 'money form field'
+  end
+end