public void MathOperationsContainer_returns_false_for_wrong_keyword()
{
var mathOperationsContainer = new MathOperationsContainer();
var keyword = "&";
var result = mathOperationsContainer.ContainsOperation(keyword);
Assert.False(result);
}
public void MathOperationsContainer_returns_true_for_unary_minus_operation_by_keyword()
{
var mathOperationsContainer = new MathOperationsContainer();
var keyword = "~";
var result = mathOperationsContainer.ContainsOperation(keyword);
Assert.True(result);
}