Intent of handler_tests.go ×3

All 3 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 3 tests
- server/ 3 tests
  - tools/ 3 tests
    
    tests/ 3 tests
    
    TestMySQLHandlerTestSuite/ 1 test
    
    go.temporal.io/server/tools/tests/TestMySQLHandlerTestSuite/TestValidateConnectConfig Introduced here
    
    TestPostgres/ 1 test
    
    TestPostgreSQLHandlerTestSuite/ 1 test
    
    go.temporal.io/server/tools/tests/TestPostgres/TestPostgreSQLHandlerTestSuite/TestValidateConnectConfig Inherited TestValidateConnectConfig, TestValidateConnectConfig
    
    TestPostgresPGX/ 1 test
    
    TestPostgreSQLHandlerTestSuite/ 1 test
    
    go.temporal.io/server/tools/tests/TestPostgresPGX/TestPostgreSQLHandlerTestSuite/TestValidateConnectConfig Inherited TestValidateConnectConfig, TestValidateConnectConfig