Adds test for calculations after reusing formula
Adds test for calculations after reusing formula

benoitvallon/react-native-nw-react-calculator,benoitvallon/react-native-nw-react-calculator,srgpqt/react-native-nw-react-calculator,srgpqt/react-native-nw-react-calculator,benoitvallon/react-native-nw-react-calculator,srgpqt/react-native-nw-react-calculator