test: move --keep-going suggestion match tests to UI tests

We don't want to overly match to suggestion help from clap.

tests/testsuite/bench.rs

@@ -1671,29 +1671,6 @@ fn json_artifact_includes_executable_for_benchmark() {
         .run();
 }
 
-#[cargo_test]
-fn cargo_bench_no_keep_going() {
-    let p = project()
-        .file("Cargo.toml", &basic_bin_manifest("foo"))
-        .file("src/main.rs", "")
-        .build();
-
-    p.cargo("bench --keep-going")
-        .with_stderr(
-            "\
-error: unexpected argument '--keep-going' found
-
-  tip: use `--no-fail-fast` to run as many tests as possible regardless of failure
-
-Usage: cargo bench [OPTIONS] [BENCHNAME] [-- [args]...]
-
-For more information, try '--help'.
-",
-        )
-        .with_status(1)
-        .run();
-}
-
 #[cargo_test(nightly, reason = "bench")]
 fn cargo_bench_print_env_verbose() {
     let p = project()

tests/testsuite/cargo_bench/mod.rs

@@ -1 +1,2 @@
 mod help;
+mod no_keep_going;

tests/testsuite/cargo_bench/no_keep_going/in/Cargo.toml

@@ -0,0 +1,3 @@
+[package]
+name = "foo"
+version = "0.1.0"

tests/testsuite/cargo_bench/no_keep_going/mod.rs

@@ -0,0 +1,19 @@
+use cargo_test_support::curr_dir;
+use cargo_test_support::CargoCommand;
+use cargo_test_support::Project;
+
+#[cargo_test]
+fn case() {
+    let project = Project::from_template(curr_dir!().join("in"));
+    let project_root = project.root();
+    let cwd = &project_root;
+
+    snapbox::cmd::Command::cargo_ui()
+        .arg("bench")
+        .arg("--keep-going")
+        .current_dir(cwd)
+        .assert()
+        .code(1)
+        .stdout_matches_path(curr_dir!().join("stdout.log"))
+        .stderr_matches_path(curr_dir!().join("stderr.log"));
+}

tests/testsuite/cargo_bench/no_keep_going/stderr.log

@@ -0,0 +1,7 @@
+error: unexpected argument '--keep-going' found
+
+  tip: use `--no-fail-fast` to run as many tests as possible regardless of failure
+
+Usage: cargo bench [OPTIONS] [BENCHNAME] [-- [args]...]
+
+For more information, try '--help'.

tests/testsuite/cargo_test/mod.rs

@@ -1 +1,2 @@
 mod help;
+mod no_keep_going;

tests/testsuite/cargo_test/no_keep_going/in/Cargo.toml

@@ -0,0 +1,3 @@
+[package]
+name = "foo"
+version = "0.1.0"

tests/testsuite/cargo_test/no_keep_going/mod.rs

@@ -0,0 +1,19 @@
+use cargo_test_support::curr_dir;
+use cargo_test_support::CargoCommand;
+use cargo_test_support::Project;
+
+#[cargo_test]
+fn case() {
+    let project = Project::from_template(curr_dir!().join("in"));
+    let project_root = project.root();
+    let cwd = &project_root;
+
+    snapbox::cmd::Command::cargo_ui()
+        .arg("test")
+        .arg("--keep-going")
+        .current_dir(cwd)
+        .assert()
+        .code(1)
+        .stdout_matches_path(curr_dir!().join("stdout.log"))
+        .stderr_matches_path(curr_dir!().join("stderr.log"));
+}

tests/testsuite/cargo_test/no_keep_going/stderr.log

@@ -0,0 +1,7 @@
+error: unexpected argument '--keep-going' found
+
+  tip: use `--no-fail-fast` to run as many tests as possible regardless of failure
+
+Usage: cargo test [OPTIONS] [TESTNAME] [-- [args]...]
+
+For more information, try '--help'.

tests/testsuite/test.rs

@@ -4844,29 +4844,6 @@ error: 2 targets failed:
     .run();
 }
 
-#[cargo_test]
-fn cargo_test_no_keep_going() {
-    let p = project()
-        .file("Cargo.toml", &basic_bin_manifest("foo"))
-        .file("src/main.rs", "")
-        .build();
-
-    p.cargo("test --keep-going")
-        .with_stderr(
-            "\
-error: unexpected argument '--keep-going' found
-
-  tip: use `--no-fail-fast` to run as many tests as possible regardless of failure
-
-Usage: cargo test [OPTIONS] [TESTNAME] [-- [args]...]
-
-For more information, try '--help'.
-",
-        )
-        .with_status(1)
-        .run();
-}
-
 #[cargo_test]
 fn cargo_test_print_env_verbose() {
     let p = project()