chore: refactor workflow and test files

- Remove unnecessary TODO comment in the workflow file
- Update test command in workflow to remove unnecessary `|| true`
- Update dependency messages matcher in `matchers.dart` test file

.github/workflows/validate.yaml

@@ -94,8 +94,7 @@ jobs:
       - name: Install Tools
         run: ./.github/workflows/scripts/install-tools.sh
       - name: Run Tests
-        # TODO: Remove | true once #724 iw solved.
-        run: melos test --no-select || true
+        run: melos test --no-select
 
   test_windows:
     runs-on: windows-latest

packages/melos/test/matchers.dart

@@ -20,6 +20,7 @@ Matcher ignoringDependencyMessages(String expected) {
           .where(
             (line) =>
                 !line.startsWith('Resolving dependencies...') &&
+                !line.startsWith('Downloading packages...') &&
                 !line.startsWith('Got dependencies!'),
           )
           .join('\n');