bundle exec rspec .F Failures: 1) Task#valid? タイトルがnilの場合 is expected to be falsy Failure/Error: it { is_expected.to be_falsy } expected: falsey value got: true # ./spec/models/task_spec.rb:16:in `block (4 levels) in <top (required)>' Finished in 0.03577 seconds (files took 0.72953 seconds to load) 2 examples, 1 failure Failed examples: rspec ./spec/models/task_spec.rb:16 # Task#valid? タイトルがnilの場合
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