Add a test for coercion by dependency

Author: Nikita240

crates/resolver-tests/tests/resolve.rs

@@ -511,6 +511,24 @@ fn test_wildcard_major_duplicate_selection() {
     );
 }
 
+#[test]
+fn test_wildcard_major_coerced_by_subdepdency() {
+    let reg = registry(vec![
+        pkg!("foo" => [dep_req("util", "0.1")]),
+        pkg!(("util", "0.1.0")),
+        pkg!(("util", "0.2.0")),
+    ]);
+
+    let res = resolve(vec![dep_req("foo", "1.0.0"), dep_req("util", "0.*")], &reg).unwrap();
+
+    // In this case, both 0.1.0 and 0.2.0 satisfy root, but it's being coerced
+    // by the subdependency of foo.
+    assert_same(
+        &res,
+        &names(&[("root", "1.0.0"), ("foo", "1.0.0"), ("util", "0.1.0")]),
+    );
+}
+
 #[test]
 fn test_range_major() {
     let reg = registry(vec![