fix example test
fix example test

material-foundation/material-dynamic-color-flutter,material-foundation/material-dynamic-color-flutter,material-foundation/material-dynamic-color-flutter,material-foundation/material-dynamic-color-flutter,material-foundation/material-dynamic-color-flutter,material-foundation/material-dynamic-color-flutter,material-foundation/material-dynamic-color-flutter,material-foundation/material-dynamic-color-flutter