fixup! CLDC-4270: Add tests

spec/services/bulk_upload/lettings/year2026/csv_parser_spec.rb

@@ -253,7 +253,6 @@ RSpec.describe BulkUpload::Lettings::Year2026::CsvParser do
   end
 
   context "when parsing csv with data of the wrong type" do
-    let(:seed) { rand }
     let(:log_to_csv) { BulkUpload::LettingsLogToCsv.new(log:) }
     let(:field_numbers) { log_to_csv.default_2026_field_numbers }
     let(:field_values) { log_to_csv.to_2026_row }
@@ -262,8 +261,8 @@ RSpec.describe BulkUpload::Lettings::Year2026::CsvParser do
       field_46_index = field_numbers.index(46)
       field_values[field_46_index] = "GBR" # should be a 3 digit code
 
-      file.write(log_to_csv.custom_field_numbers_row(seed:, field_numbers:))
+      file.write(log_to_csv.custom_field_numbers_row(field_numbers:))
-      file.write(log_to_csv.to_custom_csv_row(seed:, field_values:))
+      file.write(log_to_csv.to_custom_csv_row(field_values:))
       file.rewind
     end