anchor.diff:      checkSimpleExpression('({x}) => 0');
     }
   
  -  void test_pushLocalFunctionReference_positionalParam_untyped() {
  -    checkSimpleExpression('([x]) => 0');
  -  }
  -
  -  void test_pushLocalFunctionReference_requiredParam_typed() {
  -    var expr = checkSimpleExpression('(int x) => 0', expectedText: '(x) => 0')
  -        as FunctionExpression;
  -    var functionElement = expr.declaredElement;
  -    var xElement = functionElement.parameters[0] as ParameterElementImpl;
  -    expect(xElement.type.toString(), 'int');
  -  }
  -
  -  void test_pushLocalFunctionReference_requiredParam_untyped() {
  -    checkSimpleExpression('(x) => 0');
  -  }
  -
  -  void test_pushLongInt() {
  -    checkSimpleExpression('4294967296');
  -  }
  -
  -  void test_pushNull() {
  -    checkSimpleExpression('null');
  -  }
  -
  -  void test_pushParameter() {
  -    checkConstructorInitializer('''
  -class C {
  -  int x;
  -  const C(int p) : x = p;
  -}
  -''', 'p');
  -  }
  -
  -  void test_pushReference() {
  -    checkSimpleExpression('int');
  -  }
  -
  -  void test_pushReference_sequence() {
  -    checkSimpleExpression('a.b.f', extraDeclarations: r'''
  -var a = new A();
  -class A {
  -  B b = new B();
  -}
  -class B {
  -  int f = 0;
  -}
  -''');
  -  }
  -
  -  void test_pushString() {
  -    checkSimpleExpression("'foo'");
  -  }
  -
  -  void test_pushTrue() {
  -    checkSimpleExpression('true');
  -  }
  -
  -  void test_subtract() {
  -    checkSimpleExpression('0 - 1');
  -  }
  -
  -  void test_throwException() {
  -    checkSimpleExpression('throw 0');
  -  }
  -
  -  void test_typeCast() {
  -    checkSimpleExpression('0 as num');
  -  }
  -
  -  void test_typeCheck() {
  -    checkSimpleExpression('0 is num');
  -  }
  -
  -  void test_typeCheck_negated() {
  -    checkSimpleExpression('0 is! num', expectedText: '!(0 is num)');
  -  }
  -
  -  void xtest_pushLocalFunctionReference_nested() {
  -    // TODO(devoncarew): This test fails when run in strong mode.
  -    // Failed assertion: line 5116 pos 16:
  -    //   'Linker._initializerTypeInferenceCycle == null': is not true.
  +  @failingTest
  +  void test_pushLocalFunctionReference_nested() {
       prepareAnalysisContext(new AnalysisOptionsImpl()..previewDart2 = false);
       var expr =
           checkSimpleExpression('(x) => (y) => x + y') as FunctionExpression;
  
positive.code:     expect(xRef.staticElement, same(xElement));
      expect(yRef.staticElement, same(yElement));
    }
  }
  
negative.code:     expect(yRef.staticElement, same(yElement));
    }
  
    @failingTest
    void test_pushLocalFunctionReference_paramReference() {
      prepareAnalysisContext(new AnalysisOptionsImpl()..previewDart2 = false);
      var expr = checkSimpleExpression('(x, y) => x + y') as FunctionExpression;
      var localFunctionElement = expr.declaredElement;
  