From 14806e6b37a019cbff58e2088ee99191e89b4f7e Mon Sep 17 00:00:00 2001
From: Guillaume Blaquiere <guillaume.blaquiere@gmail.com>
Date: Thu, 28 Oct 2021 19:46:04 +0200
Subject: [PATCH] fix: wrong test case.

---
 google/google.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/google/google.go b/google/google.go
index bf5e432..ccc23ee 100644
--- a/google/google.go
+++ b/google/google.go
@@ -186,7 +186,7 @@ func (f *credentialsFile) tokenSource(ctx context.Context, params CredentialsPar
 		}
 		return cfg.TokenSource(ctx)
 	case impersonatedServiceAccount:
-		if f.ServiceAccountImpersonationURL != "" || f.SourceCredentials == nil {
+		if f.ServiceAccountImpersonationURL == "" || f.SourceCredentials == nil {
 			return nil, errors.New("missing 'source_credentials' field or 'service_account_impersonation_url' in credentials")
 		}