gistfile1.txt

- (void)testUserCreate
{
    User *user = [NSEntityDescription
                    insertNewObjectForEntityForName:@"User"
                  inManagedObjectContext:self.moc];
    
    [user setEmail:@"[email protected]"];
    
    NSError *error = nil;
    BOOL result = [self.moc save:&error];
    
    XCTAssertNil(error, @"save should not raise errors");
    XCTAssertTrue(result, @"save should be true");
}