misc: update dev_dependencies (#98)

diff --git a/pubspec.yaml b/pubspec.yaml
index d082af0..e894bae 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,7 +9,7 @@
   sdk: '>=2.0.0-dev.55.0 <2.0.0'
 
 dev_dependencies:
-  build_runner: ^0.8.0
+  build_runner: ^0.9.0
   build_test: ^0.10.0
   build_web_compilers: ^0.4.0
-  test: ^0.12.35
+  test: ^1.0.0