Update selector race, rename cache selector

selector/default_test.go

@@ -6,14 +6,14 @@ import (
 	"github.com/micro/go-micro/registry/mock"
 )
 
-func TestDefaultSelector(t *testing.T) {
+func TestRegistrySelector(t *testing.T) {
 	counts := map[string]int{}
 
-	rs := newDefaultSelector(Registry(mock.NewRegistry()))
+	cache := NewSelector(Registry(mock.NewRegistry()))
 
-	next, err := rs.Select("foo")
+	next, err := cache.Select("foo")
 	if err != nil {
-		t.Errorf("Unexpected error calling default select: %v", err)
+		t.Errorf("Unexpected error calling cache select: %v", err)
 	}
 
 	for i := 0; i < 100; i++ {
@@ -24,5 +24,5 @@ func TestDefaultSelector(t *testing.T) {
 		counts[node.Id]++
 	}
 
-	t.Logf("Default Counts %v", counts)
+	t.Logf("Selector Counts %v", counts)
 }