How to find the parent method name in multiple sub methods in C#?

I'm trying to get the very first method name that initialed multiple method calls.

for example I have the below,

    static void Main(string[] args)
    {
        Test1();
    }

    static void Test1()
    {
        Test2();
    }
    static void Test2()
    {
        Console.WriteLine("Soemthing");
    }

In the Test2 method, I need to know the Main Method has initiated this chain. I tried using the StackTrace and Reflection as below.

        StackTrace stackTrace = new StackTrace();
        MethodBase methodBase = stackTrace.GetFrame(1).GetMethod();
        Console.WriteLine(methodBase.Name); 

but the stackTrace.getFrame(1) is not what I expect. It will give me the previous method which is Test1.

I do not want to hard code the getFrame value to 2 to get the Main method.

Is there any way to get the parent method from any of the sub methods without hard coding the Frame value?