for _ in [0] * int(input()):
    n, m = map(int, input().split())
    a = [m] + list(map(int, input().split())) + [m,m]
    for i in range(n+1):
        if(a[i] > a[i+1] + a[i+2]):
            print("No")
            break
    else:
    	print("Yes")