Fix instance of test for classes that implement call.

tests/isolate/port_test.dart

Index: tests/isolate/port_test.dart
===================================================================
--- tests/isolate/port_test.dart	(revision 16535)
+++ tests/isolate/port_test.dart	(working copy)
@@ -19,8 +19,8 @@
 void testHashCode() {
   ReceivePort rp0 = new ReceivePort();
   ReceivePort rp1 = new ReceivePort();
-  expect(rp0.toSendPort().hashCode, rp0.toSendPort().hashCode);
-  expect(rp1.toSendPort().hashCode, rp1.toSendPort().hashCode);
+  Expect.equals(rp0.toSendPort().hashCode, rp0.toSendPort().hashCode);
+  Expect.equals(rp1.toSendPort().hashCode, rp1.toSendPort().hashCode);
   rp0.close();
   rp1.close();
 }
@@ -28,9 +28,9 @@
 void testEquals() {
   ReceivePort rp0 = new ReceivePort();
   ReceivePort rp1 = new ReceivePort();
-  expect(rp0.toSendPort(), rp0.toSendPort());
-  expect(rp1.toSendPort(), rp1.toSendPort());
-  expect(rp0.toSendPort() == rp1.toSendPort(), isFalse);
+  Expect.equals(rp0.toSendPort(), rp0.toSendPort());
+  Expect.equals(rp1.toSendPort(), rp1.toSendPort());
+  Expect.isFalse(rp0.toSendPort() == rp1.toSendPort());
   rp0.close();
   rp1.close();
 }
@@ -41,20 +41,20 @@
   final map = new Map<SendPort, int>();
   map[rp0.toSendPort()] = 42;
   map[rp1.toSendPort()] = 87;
-  expect(map[rp0.toSendPort()], 42);
-  expect(map[rp1.toSendPort()], 87);
+  Expect.equals(map[rp0.toSendPort()], 42);
+  Expect.equals(map[rp1.toSendPort()], 87);
 
   map[rp0.toSendPort()] = 99;
-  expect(map[rp0.toSendPort()], 99);
-  expect(map[rp1.toSendPort()], 87);
+  Expect.equals(map[rp0.toSendPort()], 99);
+  Expect.equals(map[rp1.toSendPort()], 87);
 
   map.remove(rp0.toSendPort());
-  expect(map.containsKey(rp0.toSendPort()), isFalse);
-  expect(map[rp1.toSendPort()], 87);
+  Expect.isFalse(map.containsKey(rp0.toSendPort()));
+  Expect.equals(map[rp1.toSendPort()], 87);
 
   map.remove(rp1.toSendPort());
-  expect(map.containsKey(rp0.toSendPort()), isFalse);
-  expect(map.containsKey(rp1.toSendPort()), isFalse);
+  Expect.isFalse(map.containsKey(rp0.toSendPort()));
+  Expect.isFalse(map.containsKey(rp1.toSendPort()));
 
   rp0.close();
   rp1.close();