Get travis passing by ignoring failures with node + latest dev release (dart-lang/glob#32)

pkgs/glob/.travis.yml

diff --git a/pkgs/glob/.travis.yml b/pkgs/glob/.travis.yml
index b2a4fd7..9adf49d 100644
--- a/pkgs/glob/.travis.yml
+++ b/pkgs/glob/.travis.yml
@@ -6,13 +6,24 @@
 
 # See https://docs.travis-ci.com/user/languages/dart/ for details.
 dart_task:
-  - test: --platform vm,firefox,node
+  - test: --platform vm,chrome
   - dartanalyzer: --fatal-warnings --fatal-infos .
 
-matrix:
+jobs:
   include:
+    - dart: 2.2.0
+      dart_task:
+        test: -p node
+    - dart: dev
+      dart_task:
+        test: -p node
     - dart: dev
       dart_task: dartfmt
+  allow_failures:
+    # The node package needs to be updated for breaking changes in Dart 2.8
+    - dart: dev
+      dart_task:
+        test: -p node
 
 # Only building master means that we don't run two builds for each pull request.
 branches: