#include #include #include #include #include #include using namespace std; typedef long long ll; typedef long double ld; typedef pair pr; const double pi=acos(-1); #define rep(i,a,n) for(int i=a;i<=n;i++) #define per(i,n,a) for(int i=n;i>=a;i--) #define Rep(i,u) for(int i=head[u];i;i=Next[i]) #define clr(a) memset(a,0,sizeof a) #define pb push_back #define mp make_pair #define fi first #define sc second ld eps=1e-9; ll pp=1000000007; ll mo(ll a,ll pp){if(a>=0 && a>=1,a=mo(a*a,pp))if(b&1)ans=mo(ans*a,pp);return ans;} ll read(){ ll ans=0; char last=' ',ch=getchar(); while(ch<'0' || ch>'9')last=ch,ch=getchar(); while(ch>='0' && ch<='9')ans=ans*10+ch-'0',ch=getchar(); if(last=='-')ans=-ans; return ans; } //head int dp[1100][1100]; void add(int &a,int b){a=mo(a+b,pp);} int main(){ int T=read(); while(T--){ int n=read(),m=read(); rep(i,0,n) rep(j,0,m-1)dp[i][j]=0; dp[0][0]=1; rep(i,1,n){ int x=read(); rep(j,0,m-1){ add(dp[i][mo(j+x,m)],dp[i-1][j]); add(dp[i][j],dp[i-1][j]); } } printf("%d\n",dp[n][0]); } return 0; }