Adds test for data deletion

components/cycle-day/symptoms/symptom-view.js

@@ -35,9 +35,10 @@ class SymptomView extends Component {
   }
 
   componentDidUpdate() {
+    this.values = this.props.values
     const shouldShowDelete = this.checkIfHasValuesToDelete()
     if (shouldShowDelete !== this.state.shouldShowDelete) {
-      this.setState({ shouldShowDelete: this.checkIfHasValuesToDelete() })
+      this.setState({ shouldShowDelete })
     }
   }
 

components/header/delete-icon.js

@@ -12,6 +12,7 @@ export default function DeleteIcon({ handleDelete }) {
     <TouchableOpacity
       onPress={handleDelete}
       style={styles.headerDeleteButton}
+      testID="deleteIcon"
     >
       <Icon
         name="delete"