Upgrading tests with unittest deprecations

tests/lib/async/stream_subscription_as_future_test.dart

Index: tests/lib/async/stream_subscription_as_future_test.dart
diff --git a/tests/lib/async/stream_subscription_as_future_test.dart b/tests/lib/async/stream_subscription_as_future_test.dart
index 3c2c082ddeffe0045ab3788ef292e7a84fad847f..b33f74d33adba00b95373a941b406530810c65be 100644
--- a/tests/lib/async/stream_subscription_as_future_test.dart
+++ b/tests/lib/async/stream_subscription_as_future_test.dart
@@ -14,7 +14,7 @@ main() {
     Stream stream = new Stream.fromIterable([1, 2, 3]);
     var output = [];
     var subscription = stream.listen((x) { output.add(x); });
-    subscription.asFuture(output).then(expectAsync1((o) {
+    subscription.asFuture(output).then(expectAsync((o) {
       Expect.listEquals([1, 2, 3], o);
     }));
   });
@@ -26,7 +26,7 @@ main() {
     Stream stream = controller.stream;
     var output = [];
     var subscription = stream.listen((x) { output.add(x); });
-    subscription.asFuture(output).then(expectAsync1((o) {
+    subscription.asFuture(output).then(expectAsync((o) {
       Expect.listEquals([1, 2, 3], o);
     }));
   });
@@ -35,7 +35,7 @@ main() {
     Stream stream = new Stream.fromIterable([1, 2, 3]).map((x) => x);
     var output = [];
     var subscription = stream.listen((x) { output.add(x); });
-    subscription.asFuture(output).then(expectAsync1((o) {
+    subscription.asFuture(output).then(expectAsync((o) {
       Expect.listEquals([1, 2, 3], o);
     }));
   });
@@ -48,7 +48,7 @@ main() {
     Stream stream = controller.stream;
     var output = [];
     var subscription = stream.listen((x) { output.add(x); });
-    subscription.asFuture(output).catchError(expectAsync1((error) {
+    subscription.asFuture(output).catchError(expectAsync((error) {
       Expect.equals(error, "foo");
     }));
   });
@@ -61,7 +61,7 @@ main() {
       });
     var output = [];
     var subscription = stream.listen((x) { output.add(x); });
-    subscription.asFuture(output).catchError(expectAsync1((error) {
+    subscription.asFuture(output).catchError(expectAsync((error) {
       Expect.equals(error, "foo");
     }));
   });