Update vendored library google.golang.org/api

vendor/google.golang.org/api/internal/creds_test.go

@@ -85,46 +85,3 @@ const validServiceAccountJSON = `{
   "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
   "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/dumba-504%40appspot.gserviceaccount.com"
 }`
-
-func TestRefreshTokenTokenSource(t *testing.T) {
-	tests := []struct {
-		name    string
-		data    []byte
-		wantOK  bool
-		wantErr bool
-	}{
-		{
-			name:    "empty",
-			data:    []byte{},
-			wantOK:  false,
-			wantErr: true, // not valid JSON
-		},
-		{
-			name:    "non refresh token JSON",
-			data:    []byte("{}"),
-			wantOK:  false,
-			wantErr: false,
-		},
-		{
-			name:    "service account JSON",
-			data:    []byte(validServiceAccountJSON),
-			wantOK:  false,
-			wantErr: false,
-		},
-		{
-			name:    "valid refresh token JSON",
-			data:    []byte(validRefeshTokenJSON),
-			wantOK:  true,
-			wantErr: false,
-		},
-	}
-	for _, tt := range tests {
-		_, ok, err := refreshTokenTokenSource(context.Background(), tt.data)
-		if (err != nil) != tt.wantErr {
-			t.Errorf("%v: refreshTokenTokenSource() err = %v, wantErr %v", tt.name, err, tt.wantErr)
-		}
-		if ok != tt.wantOK {
-			t.Errorf("%v: refreshTokenTokenSource() ok = %v, want %v", tt.name, ok, tt.wantOK)
-		}
-	}
-}