server/auth: Add TokenSource call.

server/auth/handlers_test.go

Index: server/auth/handlers_test.go
diff --git a/server/auth/handlers_test.go b/server/auth/handlers_test.go
index 3aa1433f498e7d65d31e160c8047716a564c8b25..430271635bd9292f64673357eb4d7da308311935 100644
--- a/server/auth/handlers_test.go
+++ b/server/auth/handlers_test.go
@@ -20,6 +20,8 @@ import (
 )
 
 func TestCertificatesHandler(t *testing.T) {
+	t.Parallel()
+
 	call := func(s signing.Signer) (*signing.PublicCertificates, error) {
 		r := router.New()
 		InstallHandlers(r, router.NewMiddlewareChain(
@@ -55,6 +57,8 @@ func TestCertificatesHandler(t *testing.T) {
 }
 
 func TestServiceInfoHandler(t *testing.T) {
+	t.Parallel()
+
 	Convey("Works", t, func() {
 		r := router.New()
 		signer := &phonySigner{}