PARQUET-930: Add timestamp[us] to schema test
PARQUET-930: Add timestamp[us] to schema test

Author: Korn, Uwe <Uwe.Korn@blue-yonder.com>

Closes #321 from xhochy/PARQUET-930 and squashes the following commits:

4e25f37 [Korn, Uwe] PARQUET-930: Add timestamp[us] to schema test

advancedxy/parquet-cpp,advancedxy/parquet-cpp,majetideepak/parquet-cpp,majetideepak/parquet-cpp,wesm/parquet-cpp,apache/parquet-cpp,advancedxy/parquet-cpp,apache/parquet-cpp,MaxRis/parquet-cpp,wesm/parquet-cpp,apache/parquet-cpp,MaxRis/parquet-cpp,MaxRis/parquet-cpp,advancedxy/parquet-cpp,apache/parquet-cpp,itaiin/parquet-cpp,wesm/parquet-cpp,wesm/parquet-cpp,majetideepak/parquet-cpp,itaiin/parquet-cpp,itaiin/parquet-cpp,majetideepak/parquet-cpp,wesm/parquet-cpp,itaiin/parquet-cpp,MaxRis/parquet-cpp,apache/parquet-cpp,wesm/parquet-cpp,itaiin/parquet-cpp,advancedxy/parquet-cpp,MaxRis/parquet-cpp,majetideepak/parquet-cpp,MaxRis/parquet-cpp,apache/parquet-cpp,advancedxy/parquet-cpp,majetideepak/parquet-cpp,itaiin/parquet-cpp