Intent of TestMonotonic, TestDecodeKnownValues, +1

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
    
    number/ 5 tests
    
    TestCompact8Suite/ 5 tests
    
    go.temporal.io/server/common/number/TestCompact8Suite/TestDecodeKnownValues Introduced here
    
    go.temporal.io/server/common/number/TestCompact8Suite/TestMonotonic Introduced here
    
    go.temporal.io/server/common/number/TestCompact8Suite/TestRoundDown Inherited TestRoundDown
    
    go.temporal.io/server/common/number/TestCompact8Suite/TestRoundtrip Inherited TestRoundtrip
    
    go.temporal.io/server/common/number/TestCompact8Suite/TestStrictlyIncreasing Introduced here