test(radio): disable sharing in now-playing endpoint tests

Upstream enables sharing by default; mirror the other nativeapi
suites so the router constructs without a share repository.

Signed-off-by: hiyukoim <11803292+hiyukoim@users.noreply.github.com>

server/nativeapi/radio_nowplaying_test.go

@@ -33,6 +33,7 @@ var _ = Describe("Radio now-playing metadata endpoints", func() {
 	BeforeEach(func() {
 		DeferCleanup(configtest.SetupConfig())
 		conf.Server.SessionTimeout = time.Minute
+		conf.Server.EnableSharing = false
 
 		radioRepo = &tests.MockedRadioRepo{
 			Data: map[string]*model.Radio{