Import rasta tests.

pkg/fasta/test/rasta/mixin_library.dart.direct.expect

+library test.mixin_library;
+import self as self;
+import "dart:core" as core;
+
+class Mixin<T extends core::Object> extends core::Object {
+  field dynamic x;
+  field dynamic y;
+  field dynamic z;
+  field self::Mixin::T t;
+  constructor •() → self::Mixin<self::Mixin::T>
+    : self::Mixin::x = self::f(), super core::Object::•();
+  method foo() → dynamic
+    return (throw core::_unresolvedSuperMethodError(this, #foo, <dynamic>[], <dynamic, dynamic>{}, null)).+(self::f());
+  method g(self::Mixin::T a) → self::Mixin::T
+    return null;
+  method h() → dynamic
+    return self::V();
+  method l() → dynamic
+    return self::_private();
+  method _privateMethod() → dynamic
+    return 49;
+  method publicMethod() → dynamic
+    return this._privateMethod();
+}
+static method f() → dynamic
+  return 2;
+static method V() → dynamic
+  return 87;
+static method _private() → dynamic
+  return 117;
+static method foo(dynamic m) → dynamic
+  return m._privateMethod();