Get rid of hokey dependencyMapList stuff.

sdk/lib/_internal/pub/test/hosted/fail_gracefully_on_missing_package_test.dart

Index: sdk/lib/_internal/pub/test/hosted/fail_gracefully_on_missing_package_test.dart
diff --git a/sdk/lib/_internal/pub/test/hosted/fail_gracefully_on_missing_package_test.dart b/sdk/lib/_internal/pub/test/hosted/fail_gracefully_on_missing_package_test.dart
index 5d794708baf7b47d9d8924711a5c81f186211a11..f80f4bde7043407d405f88d628d05e01fe70ad67 100644
--- a/sdk/lib/_internal/pub/test/hosted/fail_gracefully_on_missing_package_test.dart
+++ b/sdk/lib/_internal/pub/test/hosted/fail_gracefully_on_missing_package_test.dart
@@ -16,7 +16,7 @@ main() {
     integration('fails gracefully if the package does not exist', () {
       servePackages([]);
 
-      d.appDir([dependencyMap("foo", "1.2.3")]).create();
+      d.appDir({"foo": "1.2.3"}).create();
 
       pubCommand(command, error: new RegExp(
           r'Could not find package "foo" at http://localhost:\d+\.$'));