fix race

internal/server/input_test.go

@@ -6,26 +6,23 @@ import (
 	"github.com/dependabot/cli/internal/model"
 	"net"
 	"net/http"
-	"sync"
 	"testing"
 )
 
 func TestInput(t *testing.T) {
-	wg := sync.WaitGroup{}
-	wg.Add(1)
-	var input *model.Input
+	inputCh := make(chan *model.Input)
 
 	l, err := net.Listen("tcp", "127.0.0.1:0")
 	if err != nil {
 		t.Fatal("Failed to create listener: ", err.Error())
 	}
 
 	go func() {
-		input, err = Input(l)
+		input, err := Input(l)
 		if err != nil {
 			t.Errorf(err.Error())
 		}
-		wg.Done()
+		inputCh <- input
 	}()
 
 	url := fmt.Sprintf("http://%s", l.Addr().String())
@@ -39,7 +36,7 @@ func TestInput(t *testing.T) {
 	}
 
 	// Test will hang here if the server does not shut down
-	wg.Wait()
+	input := <-inputCh
 
 	if input.Job.PackageManager != "test" {
 		t.Errorf("expected package manager to be 'test', got '%s'", input.Job.PackageManager)