readValues function
void
readValues()
Implementation
void readValues() {
// Loading approved cases if they exist
final approvedCases = ApprovalDart.loadApprovedCasesIfExists();
final List<Item> actualItems = [];
final List<Item> expectedItems = [];
// For each case in approvedCases, add it as JSON to both actual and expected Items.
for (var testCase in approvedCases) {
actualItems.add(Item.fromJson(testCase['actual']));
expectedItems.add(Item.fromJson(testCase['expected']));
}
// Printing the lengths of actualItems and expectedItems lists
print(actualItems.length);
print(expectedItems.length);
}