use std::ffi::OsStr;use pretty_assertions::assert_eq;use super::*;#[test]fn defaults_to_local() {    assert_eq!(        parse_test_environment(            /*configured_environment*/ None, /*legacy_remote_environment*/ None,            /*docker_container*/ None,        ),        Ok(TestEnvironment::Local)    );}#[test]fn parses_each_explicit_environment() {    assert_eq!(        parse_test_environment(            Some(OsStr::new("local")),            /*legacy_remote_environment*/ None,            /*docker_container*/ None,        ),        Ok(TestEnvironment::Local)    );    assert_eq!(        parse_test_environment(            Some(OsStr::new("docker")),            /*legacy_remote_environment*/ None,            Some(OsStr::new("container-1")),        ),        Ok(TestEnvironment::Docker {            container_name: "container-1".to_string(),        })    );    assert_eq!(        parse_test_environment(            Some(OsStr::new("wine-exec")),            /*legacy_remote_environment*/ None,            /*docker_container*/ None,        ),        Ok(TestEnvironment::WineExec)    );}#[test]fn treats_the_legacy_remote_value_as_a_docker_container() {    assert_eq!(        parse_test_environment(            /*configured_environment*/ None,            Some(OsStr::new("legacy-container")),            /*docker_container*/ None,        ),        Ok(TestEnvironment::Docker {            container_name: "legacy-container".to_string(),        })    );}#[test]fn explicit_docker_accepts_the_legacy_container_value() {    assert_eq!(        parse_test_environment(            Some(OsStr::new("docker")),            Some(OsStr::new("legacy-container")),            /*docker_container*/ None,        ),        Ok(TestEnvironment::Docker {            container_name: "legacy-container".to_string(),        })    );    assert_eq!(        parse_test_environment(            Some(OsStr::new("docker")),            Some(OsStr::new("")),            /*docker_container*/ None,        ),        Err(format!("{LEGACY_REMOTE_ENV_ENV_VAR} must not be empty"))    );}#[test]fn explicit_local_ignores_stale_remote_metadata() {    assert_eq!(        parse_test_environment(            Some(OsStr::new("local")),            Some(OsStr::new("legacy-container")),            Some(OsStr::new("container-1")),        ),        Ok(TestEnvironment::Local)    );}#[test]fn rejects_invalid_or_incomplete_configuration() {    assert_eq!(        parse_test_environment(            Some(OsStr::new("docker")),            /*legacy_remote_environment*/ None,            /*docker_container*/ None,        ),        Err(format!(            "{DOCKER_CONTAINER_ENV_VAR} must be set when {TEST_ENVIRONMENT_ENV_VAR}=docker"        ))    );    assert_eq!(        parse_test_environment(            Some(OsStr::new("other")),            /*legacy_remote_environment*/ None,            /*docker_container*/ None,        ),        Err(format!(            "{TEST_ENVIRONMENT_ENV_VAR} must be one of local, docker, or wine-exec; got \"other\""        ))    );}