Fix test broken by 0fc97c3

psiphon/userAgent_test.go

@@ -50,13 +50,13 @@ var userAgentCountsMutex sync.Mutex
 var userAgentCounts map[string]int
 var initUserAgentCounter sync.Once
 
-func pickUserAgent() string {
+func pickMockUserAgent() string {
 	index, _ := common.MakeSecureRandomInt(len(mockUserAgents))
 	return mockUserAgents[index]
 }
 
 func initMockUserAgentPicker() {
-	common.RegisterUserAgentPicker(pickUserAgent)
+	RegisterUserAgentPicker(pickMockUserAgent)
 }
 
 func resetUserAgentCounts() {