test: removed unused argument to validate

pkgs/markdown/pubspec.yaml

diff --git a/pkgs/markdown/pubspec.yaml b/pkgs/markdown/pubspec.yaml
index 521d3d6..6b4b7af 100644
--- a/pkgs/markdown/pubspec.yaml
+++ b/pkgs/markdown/pubspec.yaml
@@ -1,5 +1,5 @@
 name: markdown
-version: 0.7.1+2
+version: 0.7.2-dev
 author: Dart Team <misc@dartlang.org>
 description: A library for converting markdown to HTML.
 homepage: https://github.com/dpeek/dart-markdown

pkgs/markdown/test/markdown_test.dart

diff --git a/pkgs/markdown/test/markdown_test.dart b/pkgs/markdown/test/markdown_test.dart
index 3f7372c..8368b84 100644
--- a/pkgs/markdown/test/markdown_test.dart
+++ b/pkgs/markdown/test/markdown_test.dart
@@ -1052,7 +1052,7 @@
 }
 
 void validate(String description, String markdown, String html,
-    {bool verbose: false, List<InlineSyntax> inlineSyntaxes,
+    {List<InlineSyntax> inlineSyntaxes,
     Resolver linkResolver, Resolver imageLinkResolver,
     bool inlineOnly: false}) {
   test(description, () {