Realize some TestCases
Revert "Realize some TestCases"

This reverts commit 7b37d4d89eeaaa30d9d9e965ecedb368457e7172.
Revert "Revert "Realize some TestCases""

This reverts commit b4763f6c8d8b212e09984fea75efb69e158d7b54.