Channels and Wait Groups Entering Deadlock

Question

I'm having trouble wrangling go routines and getting them to communicate back to a channel on the main go routine. To simplify, my code looks something like this:

func main() {
    channel := make(chan string)
    var wg sync.WaitGroup
    for i := 0; i < 10; i++ {
        wg.Add(1)
        go performTest(channel, &wg, i)
    }

    wg.Wait()
    close(channel)

    for line := range channel {
        fmt.Print(line)
    }
}

func performTest(channel chan string, wg *sync.WaitGroup, i int) {
     defer wg.Done()
     // perform some work here
     result := fmt.sprintf("Pretend result %d", i)
     channel <- result
}

This seems to enter into some kind of a deadlock, but I don't understand why. It gets stuck on wg.Wait(), even though I would expect it to continue once all the goroutines have called Done on the wait group. What am I missing here? I'd like to wait for the goroutines, and then iterate over all results in the channel.