T = int(input())

for _ in range(T):
    N,M = map(int, input().split())
    A = list(map(int, input().split())) 
    if A[-1]!=M:
        print('No')
    else:
        for i in range(N-1):
            if A[i]+A[i+1]<M or A[i]>M:
                print('No')
                break        
        else:
            print('Yes')