=== Country Service Test ===
Testing Country Service...
Countries loaded:
  By Code: 48
  By Name: 48
  By English: 48

Testing country inputs:
CN              => China                (Valid)
US              => United States        (Valid)
China           => China                (Valid)
United States   => United States        (Valid)
中国          => China                (Valid)
美国          => United States        (Valid)
INVALID         => Not found            (Invalid)
XX              => Not found            (Invalid)

Country service test completed successfully!