1 files changed, 13 insertions, 0 deletions
diff --git a/spec/support/shared_examples/services/export_csv/export_csv_invalid_fields_shared_examples.rb b/spec/support/shared_examples/services/export_csv/export_csv_invalid_fields_shared_examples.rb
new file mode 100644
index 00000000000..25899f93914
--- /dev/null
+++ b/spec/support/shared_examples/services/export_csv/export_csv_invalid_fields_shared_examples.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'a service that returns invalid fields from selection' do
+  describe '#invalid_fields' do
+    it 'returns invalid fields from selection' do
+      fields = %w[title invalid_1 invalid_2]
+
+      service = described_class.new(WorkItem.all, project, fields)
+
+      expect(service.invalid_fields).to eq(%w[invalid_1 invalid_2])
+    end
+  end
+end