More test fixes.

tests/compiler/dart2js_native/native_method_inlining_test.dart

Index: tests/compiler/dart2js_native/native_method_inlining_test.dart
diff --git a/tests/compiler/dart2js_native/native_method_inlining_test.dart b/tests/compiler/dart2js_native/native_method_inlining_test.dart
index f9d34e89b450fc99b79591f48821e9fc34558ae1..b6da43a49c1597a65c3829f0362034cb7cfb4792 100644
--- a/tests/compiler/dart2js_native/native_method_inlining_test.dart
+++ b/tests/compiler/dart2js_native/native_method_inlining_test.dart
@@ -5,6 +5,8 @@
 // Test that native methods with unnamed optional arguments are called with the
 // number of arguments in the call site AND the call site is inlined.
 
+import "package:expect/expect.dart";
+
 class A native "*A" {
   int foo([x, y, z]) native;
 }