fix warning of test (unused variable - col_time)
suketa opened this issue · comments
https://github.com/suketa/ruby-duckdb/actions/runs/3666223596/jobs/6197803618#step:6:50
/Users/runner/work/ruby-duckdb/ruby-duckdb/test/duckdb_test/prepared_statement_test.rb:413: warning: assigned but unused variable - col_time