Fix build: import newer versions of test + mockito for Dart 2 (#607)

* Fix build: import newer versions of test + mockito for Dart 2

* Fix copy-of-sdk dependency resolving workflow
diff --git a/angular_analyzer_plugin/pubspec.yaml b/angular_analyzer_plugin/pubspec.yaml
index c13fc2f..68bd7ac 100644
--- a/angular_analyzer_plugin/pubspec.yaml
+++ b/angular_analyzer_plugin/pubspec.yaml
@@ -19,5 +19,5 @@
   crypto: '>=1.1.1 <3.0.0'
 dev_dependencies:
   test_reflective_loader: '^0.1.0'
-  test: '^0.12.30+1'
-  mockito: '^2.0.2'
+  test: '^1.2.0'
+  mockito: '^3.0.0'
diff --git a/deps/pubspec.yaml b/deps/pubspec.yaml
index bb31db0..576aff2 100644
--- a/deps/pubspec.yaml
+++ b/deps/pubspec.yaml
@@ -3,9 +3,7 @@
 description: What we need that the sdk doesn't provide
 dependencies:
   tuple: '^1.0.1'
-  angular_ast: '^0.4.2'
+  angular_ast: '^0.5.6'
 dev_dependencies:
-  test_reflective_loader: '^0.1.0'
-  typed_mock: '^0.0.4'
-  unittest: '^0.11.0'
-  test: '^0.12.17'
+  test_reflective_loader: '^0.1.8'
+  test: '^1.2.0'