Run all-target tests in release gates

tests/release_scripts.rs

@@ -51,6 +51,15 @@ fn release_upload_marks_prerelease_tags_as_prereleases() {
     );
 }
 
+#[test]
+fn release_gates_test_all_targets() {
+    let makefile = include_str!("../Makefile");
+    let ci = include_str!("../.github/workflows/ci.yml");
+    assert!(makefile.contains("test:\n\tcargo test --all-targets"));
+    assert!(makefile.contains("cargo test --all-targets\n\t$(MAKE) tui-harness"));
+    assert!(ci.contains("run: cargo test --all-targets"));
+}
+
 #[test]
 fn installers_skip_stale_latest_release_prebuilts() {
     let install = include_str!("../install.sh");