diff --git a/packages/constraint-solver/constraint-solver-tests.js b/packages/constraint-solver/constraint-solver-tests.js
index 60a6d7ae5a..8448c647cc 100644
--- a/packages/constraint-solver/constraint-solver-tests.js
+++ b/packages/constraint-solver/constraint-solver-tests.js
@@ -159,6 +159,7 @@ Tinytest.add("constraint solver - no results", function (test) {
     FAIL({ "bad-1": "1.0.0", "bad-2": "" },
          /indirect@2\.0\.0 is not satisfied by 1.0.0[^]+bad-1[^]+bad-2/);
   });
+
   resolver = makeResolver([
     ["foo", "1.0.0"],
     ["foo", "1.1.0"],
@@ -170,6 +171,10 @@ Tinytest.add("constraint solver - no results", function (test) {
     FAIL({foo: "2.0.0", bar: "1.0.0"},
          /constraints on foo[^]+top level[^]+bar@1.0.0/);
   });
+
+  testWithResolver(test, makeResolver([]), function (t, FAIL) {
+    FAIL({foo: "1.0.0"}, /unknown package: foo/);
+  });
 });
 
 Tinytest.add("constraint solver - previousSolution", function (test) {