def solve(A):
    for i in range(len(A) - 2):
        if A[i] > A[i + 1] + A[i + 2]:
            print("No")
            return 
    print("Yes")
    return

T = int(input())
for _ in range(T):
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    solve([M] + A)