std::string vname;

    vname = "TestArrayGroup::test1[" + std::to_string(n) + "]";
    CCTK_REAL *var1 = (CCTK_REAL *)CCTK_VarDataPtr(cctkGH,0,vname.c_str());
    vname = "TestArrayGroup::test2[" + std::to_string(n) + "]";
    CCTK_REAL *var2 = (CCTK_REAL *)CCTK_VarDataPtr(cctkGH,0,vname.c_str());
    vname = "TestArrayGroup::test3[" + std::to_string(n) + "]";
    CCTK_REAL *var3 = (CCTK_REAL *)CCTK_VarDataPtr(cctkGH,0,vname.c_str());

        int index = i + j*imax + n*imax*jmax;
//        std::string vname = "TestArrayGroup::test1[" + std::to_string(index) + "]";
//        CCTK_REAL *var1 = (CCTK_REAL *)CCTK_VarDataPtr(cctkGH,0,vname.c_str());
//
//        vname = "TestArrayGroup::test2[" + std::to_string(index) + "]";
//        CCTK_REAL *var2 = (CCTK_REAL *)CCTK_VarDataPtr(cctkGH,0,vname.c_str());
//
//        vname = "TestArrayGroup::test3[" + std::to_string(index) + "]";
//        CCTK_REAL *var3 = (CCTK_REAL *)CCTK_VarDataPtr(cctkGH,0,vname.c_str());
        if (test1[index] != 1+i*j*n) error_count[0] += 1;
        if (test2[index] != 1+7*i*j*n) error_count[1] += 1;
        if (test3[index] != 1+13*i*j*n) error_count[2] += 1;
        //if (*var1 != 1+i*j*n) error_count[0] += 1;
        //if (*var2 != 1+7*i*j*n) error_count[1] += 1;
        //if (*var3 != 1+13*i*j*n) error_count[2] += 1;

        int index = i + j*imax;
        if (var1[index] != 1+i*j*n) error_count[0] += 1;
        if (var2[index] != 1+7*i*j*n) error_count[1] += 1;
        if (var3[index] != 1+13*i*j*n) error_count[2] += 1;