[Payments] Avoid a crash caused by AddressValidatorTest.

third_party/libaddressinput/chromium/chrome_address_validator_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "third_party/libaddressinput/chromium/chrome_address_validator.h"
 
 #include <stddef.h>
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 104 matching lines @@
   const std::string country_code = "US";
   const std::string first_state = "AL";
 
   validator_->LoadRules(country_code);
   std::vector<std::string> sub_keys =
       validator_->GetRegionSubKeys(country_code);
   ASSERT_FALSE(sub_keys.empty());
   ASSERT_EQ(sub_keys[0], first_state);
 }
 
-TEST_F(AddressValidatorTest, SubKeysNotLoaded) {
-  const std::string country_code = "ZZ";
+TEST_F(AddressValidatorTest, SubKeysNotExists) {
+  const std::string country_code = "OZ";
 
   validator_->LoadRules(country_code);
   std::vector<std::string> sub_keys =
       validator_->GetRegionSubKeys(country_code);
   ASSERT_TRUE(sub_keys.empty());
 }
 
 TEST_F(AddressValidatorTest, RegionHasRules) {
   const std::vector<std::string>& region_codes = GetRegionCodes();
   AddressData address;
@@ skipping 773 matching lines @@
   source_->set_failures_number(99);
   validator_->LoadRules("CH");
   validator_->LoadRules("GB");
   base::RunLoop().RunUntilIdle();
 
   EXPECT_FALSE(load_rules_success_);
   EXPECT_EQ(16, source_->attempts_number());
 }
 
 }  // namespace autofill