From 7cd7ff7dd55db47593c1a5e45a4c8b8457851b87 Mon Sep 17 00:00:00 2001
From: Naveen Gogineni <dear.chap@gmail.com>
Date: Sun, 28 Mar 2021 18:34:30 -0400
Subject: [PATCH] Remove reflect from flag_test

---
 flag_test.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/flag_test.go b/flag_test.go
index e46270d034..d44214c9d9 100644
--- a/flag_test.go
+++ b/flag_test.go
@@ -123,8 +123,13 @@ func TestFlagsFromEnv(t *testing.T) {
 	for i, test := range flagTests {
 		defer resetEnv(os.Environ())
 		os.Clearenv()
-		envVarSlice := reflect.Indirect(reflect.ValueOf(test.flag)).FieldByName("EnvVars").Slice(0, 1)
-		_ = os.Setenv(envVarSlice.Index(0).String(), test.input)
+
+		f, ok := test.flag.(DocGenerationFlag)
+		if !ok {
+			t.Errorf("flag %v needs to implement DocGenerationFlag to retrieve env vars", test.flag)
+		}
+		envVarSlice := f.GetEnvVars()
+		_ = os.Setenv(envVarSlice[0], test.input)
 
 		a := App{
 			Flags: []Flag{test.flag},