Как-то так выглядит:
[Test]
[TestCase(
new string[] { "MyLinkedList", "addAtHead", "addAtTail", "addAtIndex", "get", "deleteAtIndex", "get" },
new object[] { null, 1, 3, new int[] { 1, 2 }, 1, 1, 1 },
new object[] { null, null, null, null, 2, null, 3 }
)]
[TestCase(
new string[] { "MyLinkedList", "addAtIndex", "addAtIndex", "addAtIndex", "get" },
new object[] { null, new int[] { 0, 10 }, new int[] { 0, 20 }, new int[] { 1, 30 }, 0 },
new object[] { null, null, null, null, 20 }
)]
[TestCase(