mod push {    use git_refspec::{instruction, Instruction};     #[test]    fn all_matching_branches() {        assert_eq!(            Instruction::Push(instruction::Push::AllMatchingBranches {                allow_non_fast_forward: false            })            .to_bstring(),            ":"        );        assert_eq!(            Instruction::Push(instruction::Push::AllMatchingBranches {                allow_non_fast_forward: true            })            .to_bstring(),            "+:"        );    }     #[test]    fn delete() {        assert_eq!(            Instruction::Push(instruction::Push::Delete {                ref_or_pattern: "for-deletion".into(),            })            .to_bstring(),            ":for-deletion"        );    }     #[test]    fn matching() {        assert_eq!(            Instruction::Push(instruction::Push::Matching {                src: "from".into(),                dst: "to".into(),                allow_non_fast_forward: false            })            .to_bstring(),            "from:to"        );        assert_eq!(            Instruction::Push(instruction::Push::Matching {                src: "from".into(),                dst: "to".into(),                allow_non_fast_forward: true            })            .to_bstring(),            "+from:to"        );    }} mod fetch {    use git_refspec::{instruction, Instruction};    #[test]    fn only() {        assert_eq!(            Instruction::Fetch(instruction::Fetch::Only {                src: "refs/heads/main".into(),            })            .to_bstring(),            "refs/heads/main"        );    }     #[test]    fn exclude() {        assert_eq!(            Instruction::Fetch(instruction::Fetch::Exclude { src: "excluded".into() }).to_bstring(),            "^excluded"        );    }     #[test]    fn and_update() {        assert_eq!(            Instruction::Fetch(instruction::Fetch::AndUpdate {                src: "from".into(),                dst: "to".into(),                allow_non_fast_forward: false            })            .to_bstring(),            "from:to"        );        assert_eq!(            Instruction::Fetch(instruction::Fetch::AndUpdate {                src: "from".into(),                dst: "to".into(),                allow_non_fast_forward: true            })            .to_bstring(),            "+from:to"        );    }}