Another small batch of resolver tests

compiler/java/com/google/dart/compiler/resolver/MemberBuilder.java

Index: compiler/java/com/google/dart/compiler/resolver/MemberBuilder.java
diff --git a/compiler/java/com/google/dart/compiler/resolver/MemberBuilder.java b/compiler/java/com/google/dart/compiler/resolver/MemberBuilder.java
index 9852c12668f16c7b9e53bc0ad5e42a994be3dd5a..f81d61f32ef839e949390cc49b9fff76def422d0 100644
--- a/compiler/java/com/google/dart/compiler/resolver/MemberBuilder.java
+++ b/compiler/java/com/google/dart/compiler/resolver/MemberBuilder.java
@@ -464,8 +464,8 @@ public class MemberBuilder {
           fieldElement.setSetter(accessorElement);
           List<VariableElement> parameters = accessorElement.getParameters();
           Type type;
-          if (parameters.size() != 1) {
-            resolutionError(fieldNode, ResolverErrorCode.EXPECTED_ONE_ARGUMENT);
+          if (parameters.size() == 0) {
+            // Error flagged in parser
             type = getTypeProvider().getDynamicType();
           } else {
             type = parameters.get(0).getType();