Use proto.Equal for equalities on Go proto messages (#1204)

Author: menghanl

reflection/serverreflection_test.go

@@ -94,7 +94,7 @@ func TestFileDescForType(t *testing.T) {
 		{reflect.TypeOf(pb.ToBeExtended{}), fdProto2},
 	} {
 		fd, err := s.fileDescForType(test.st)
-		if err != nil || !reflect.DeepEqual(fd, test.wantFd) {
+		if err != nil || !proto.Equal(fd, test.wantFd) {
 			t.Errorf("fileDescForType(%q) = %q, %v, want %q, <nil>", test.st, fd, err, test.wantFd)
 		}
 	}
@@ -138,7 +138,7 @@ func TestFileDescContainingExtension(t *testing.T) {
 		{reflect.TypeOf(pb.ToBeExtended{}), 29, fdProto2Ext2},
 	} {
 		fd, err := s.fileDescContainingExtension(test.st, test.extNum)
-		if err != nil || !reflect.DeepEqual(fd, test.want) {
+		if err != nil || !proto.Equal(fd, test.want) {
 			t.Errorf("fileDescContainingExtension(%q) = %q, %v, want %q, <nil>", test.st, fd, err, test.want)
 		}
 	}

status/status_test.go

@@ -37,6 +37,7 @@ import (
 	"reflect"
 	"testing"
 
+	"github.com/golang/protobuf/proto"
 	apb "github.com/golang/protobuf/ptypes/any"
 	spb "google.golang.org/genproto/googleapis/rpc/status"
 	"google.golang.org/grpc/codes"
@@ -59,7 +60,7 @@ func TestFromToProto(t *testing.T) {
 	}
 
 	err := FromProto(s)
-	if got := err.Proto(); !reflect.DeepEqual(s, got) {
+	if got := err.Proto(); !proto.Equal(s, got) {
 		t.Fatalf("Expected errors to be identical - s: %v  got: %v", s, got)
 	}
 }