Intent of TestEmptyKeyValPairs

All 5 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 5 tests
- server/ 5 tests
  - common/ 5 tests
    
    log/ 5 tests
    
    TestSdkLoggerSuite/ 5 tests
    
    go.temporal.io/server/common/log/TestSdkLoggerSuite/TestEmptyKeyValPairs Introduced here
    
    go.temporal.io/server/common/log/TestSdkLoggerSuite/TestEvenKeyValPairs Inherited TestEvenKeyValPairs
    
    go.temporal.io/server/common/log/TestSdkLoggerSuite/TestKeyValPairsWithTag Inherited TestKeyValPairsWithTag
    
    go.temporal.io/server/common/log/TestSdkLoggerSuite/TestOddKeyValPairs Inherited TestOddKeyValPairs
    
    go.temporal.io/server/common/log/TestSdkLoggerSuite/TestSingleKeyValPairs Inherited sdk_logger.go ×1