upgrade dependencies, including migration to package:test

test/report_test.dart

Index: test/report_test.dart
diff --git a/test/report_test.dart b/test/report_test.dart
index c19e3aba449f71d1aa69882faea9678db674065a..1cf9ae4163429361c70bb04d44312555f53adc6a 100644
--- a/test/report_test.dart
+++ b/test/report_test.dart
@@ -5,17 +5,13 @@
 /// Tests for summary reporting.
 library dev_compiler.test.report_test;
 
-import 'package:unittest/unittest.dart';
+import 'package:test/test.dart';
 
 import 'package:dev_compiler/src/testing.dart';
 import 'package:dev_compiler/src/report.dart';
 import 'package:dev_compiler/src/summary.dart';
 
-import 'test_util.dart';
-
 void main() {
-  configureTest();
-
   test('toJson/parse', () {
     var files = {
       '/main.dart': '''