FakeItEasy ILMerge integration test failure

gistfile1.txt

Errors and Failures:
1) Test Error : FakeItEasy.IntegrationTests.ConfigurationTests.Should_be_able_to_configure_indexed_properties
   FakeItEasy.Core.FakeCreationException :
  Failed to create fake of type "FakeItEasy.IntegrationTests.ConfigurationTests+IIndexed".

  Below is a list of reasons for failure per attempted constructor:
    No constructor arguments failed:
      No default constructor was found on the type FakeItEasy.IntegrationTests.ConfigurationTests+IIndexed.


   at FakeItEasy.Core.DefaultExceptionThrower.ThrowFailedToGenerateProxyWithResolvedConstructors(Type typeOfFake, String reasonForFailureOfUnspecifiedConstructor, IEnumerable`1 resolvedConstructors) in :line 0
   at FakeItEasy.Creation.FakeObjectCreator.TryCreateFakeWithDummyArgumentsForConstructor(Type typeOfFake, FakeOptions fakeOptions, IDummyValueCreationSession session, String failReasonForDefaultConstructor, Boolean throwOnFailure) in :line 0
   at FakeItEasy.Creation.FakeObjectCreator.CreateFake(Type typeOfFake, FakeOptions fakeOptions, IDummyValueCreationSession session, Boolean throwOnFailure) in :line 0
   at FakeItEasy.Creation.DefaultFakeAndDummyManager.CreateFake(Type typeOfFake, FakeOptions options) in :line 0
   at FakeItEasy.Creation.DefaultFakeCreatorFacade.CreateFake[T](Action`1 options) in :line 0
   at FakeItEasy.IntegrationTests.ConfigurationTests.Should_be_able_to_configure_indexed_properties() in c:\Adam\Code\Personal\FakeItEasy\Source\FakeItEasy.IntegrationTests\ConfigurationTests.cs:line 151