public async System.Threading.Tasks.Task GetAll_ShouldReturnStatics()
{
// Arrange
StatsDto statsDto = new StatsDtoStub().GetOnPosition(0);
mutantServiceMock.Setup(x => x.GetStats()).ReturnsAsync(statsDto);
// Act
IActionResult result = await statsController.All();
// Assert
Assert.Equal(typeof(OkObjectResult), result.GetType());
OkObjectResult okResult = (OkObjectResult)result;
Assert.Equal(typeof(StatsDto), okResult.Value.GetType());
var resultValues = (StatsDto)okResult.Value;
Assert.Equal(resultValues, statsDto);
}