refactor: Improve lint tests

Author: Muscraft

tests/testsuite/lints/implicit_features/edition_2021/mod.rs

@@ -1,7 +1,7 @@
 use cargo_test_support::prelude::*;
 use cargo_test_support::project;
 use cargo_test_support::registry::Package;
-use cargo_test_support::str;
+use cargo_test_support::{file, str};
 
 #[cargo_test]
 fn case() {
@@ -23,12 +23,10 @@ bar = { version = "0.1.0", optional = true }
         .build();
 
     snapbox::cmd::Command::cargo_ui()
-        .masquerade_as_nightly_cargo(&["always_nightly"])
         .current_dir(p.root())
         .arg("check")
-        .arg("--quiet")
         .assert()
         .success()
         .stdout_matches(str![""])
-        .stderr_matches(str![""]);
+        .stderr_matches(file!["stderr.term.svg"]);
 }

tests/testsuite/lints/implicit_features/edition_2021/stderr.term.svg

@@ -26,10 +26,10 @@ implicit-features = "warn"
         .build();
 
     snapbox::cmd::Command::cargo_ui()
-        .masquerade_as_nightly_cargo(&["always_nightly"])
+        .masquerade_as_nightly_cargo(&["cargo-lints"])
         .current_dir(p.root())
         .arg("check")
-        .arg("--quiet")
+        .arg("-Zcargo-lints")
         .assert()
         .success()
         .stdout_matches(str![""])

tests/testsuite/lints/implicit_features/edition_2021_warn/mod.rs

@@ -29,7 +29,7 @@ baz = ["dep:baz"]
         .build();
 
     snapbox::cmd::Command::cargo_ui()
-        .masquerade_as_nightly_cargo(&["always_nightly"])
+        .masquerade_as_nightly_cargo(&["edition2024"])
         .current_dir(p.root())
         .arg("check")
         .assert()

tests/testsuite/lints/implicit_features/edition_2021_warn/stderr.term.svg

@@ -27,10 +27,10 @@ implicit-features = "warn"
         .build();
 
     snapbox::cmd::Command::cargo_ui()
-        .masquerade_as_nightly_cargo(&["always_nightly"])
+        .masquerade_as_nightly_cargo(&["cargo-lints", "edition2024"])
         .current_dir(p.root())
         .arg("check")
-        .arg("--quiet")
+        .arg("-Zcargo-lints")
         .assert()
         .success()
         .stdout_matches(str![""])