Test for different errors in Dart versus JS

test/cli/dart/errors_test.dart

@@ -5,11 +5,29 @@
 @TestOn('vm')
 
 import 'package:test/test.dart';
+import 'package:test_descriptor/test_descriptor.dart' as d;
 
 import '../dart_test.dart';
 import '../shared/errors.dart';
 
 void main() {
   setUpAll(ensureSnapshotUpToDate);
   sharedTests(runSass);
+
+  test("for package urls", () async {
+    await d.file("test.scss", "@import 'package:nope/test';").create();
+
+    var sass = await runSass(["--no-unicode", "test.scss"]);
+    expect(
+        sass.stderr,
+        emitsInOrder([
+          "Error: Can't find stylesheet to import.",
+          "  ,",
+          "1 | @import 'package:nope/test';",
+          "  |         ^^^^^^^^^^^^^^^^^^^",
+          "  '",
+          "  test.scss 1:9  root stylesheet"
+        ]));
+    await sass.shouldExit(65);
+  });
 }

test/cli/node/errors_test.dart

@@ -6,6 +6,7 @@
 @Tags(['node'])
 
 import 'package:test/test.dart';
+import 'package:test_descriptor/test_descriptor.dart' as d;
 
 import '../../ensure_npm_package.dart';
 import '../node_test.dart';
@@ -14,4 +15,21 @@ import '../shared/errors.dart';
 void main() {
   setUpAll(ensureNpmPackage);
   sharedTests(runSass);
+
+  test("for package urls", () async {
+    await d.file("test.scss", "@import 'package:nope/test';").create();
+
+    var sass = await runSass(["--no-unicode", "test.scss"]);
+    expect(
+        sass.stderr,
+        emitsInOrder([
+          "Error: \"package:\" URLs aren't supported on this platform.",
+          "  ,",
+          "1 | @import 'package:nope/test';",
+          "  |         ^^^^^^^^^^^^^^^^^^^",
+          "  '",
+          "  test.scss 1:9  root stylesheet"
+        ]));
+    await sass.shouldExit(65);
+  });
 }

test/cli/shared/errors.dart

@@ -113,21 +113,4 @@ void sharedTests(Future<TestProcess> runSass(Iterable<String> arguments)) {
     expect(sass.stderr, emitsThrough(contains("\.dart")));
     await sass.shouldExit(65);
   });
-
-  test("for package urls", () async {
-    await d.file("test.scss", "@import 'package:nope/test';").create();
-
-    var sass = await runSass(["--no-unicode", "test.scss"]);
-    expect(
-        sass.stderr,
-        emitsInOrder([
-          "Error: \"package:\" URLs aren't supported on this platform.",
-          "  ,",
-          "1 | @import 'package:nope/test';",
-          "  |         ^^^^^^^^^^^^^^^^^^^",
-          "  '",
-          "  test.scss 1:9  root stylesheet"
-        ]));
-    await sass.shouldExit(65);
-  });
 }