public void TestDropConnectEmpty()
{
var forwardInput = _cpu.CreateMatrix(SIZE, SIZE, _DefaultInit).AsIndexable();
var expectedOutput = _cpu.CreateMatrix(SIZE, SIZE, (i, j) => 0f);
var backwardInput = _cpu.CreateMatrix(SIZE, SIZE, _DefaultInit).AsIndexable();
var expectedBpOutput = _cpu.CreateMatrix(SIZE, SIZE, (i, j) => 0f);
_TestNode(_factory.CreateDropConnect(1f, SIZE, SIZE), forwardInput, expectedOutput,
backwardInput, expectedBpOutput);
}