[test]Add name filter to proxy group

adapter/outboundgroup/fallback.go

@@ -17,6 +17,7 @@ import (
 type Fallback struct {
 	*outbound.Base
 	disableUDP  bool
+	filter      string
 	single      *singledo.Single
 	providers   []provider.ProxyProvider
 	failedTimes *atomic.Int32
@@ -113,7 +114,7 @@ func (f *Fallback) Unwrap(metadata *C.Metadata) C.Proxy {
 
 func (f *Fallback) proxies(touch bool) []C.Proxy {
 	elm, _, _ := f.single.Do(func() (interface{}, error) {
-		return getProvidersProxies(f.providers, touch), nil
+		return getProvidersProxies(f.providers, touch, f.filter), nil
 	})
 
 	return elm.([]C.Proxy)
@@ -141,6 +142,7 @@ func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider)
 		single:      singledo.NewSingle(defaultGetProxiesDuration),
 		providers:   providers,
 		disableUDP:  option.DisableUDP,
+		filter:      option.Filter,
 		failedTimes: atomic.NewInt32(-1),
 		failedTime:  atomic.NewInt64(-1),
 	}