Moved Pi test readme.
Moved Pi test readme.


Former-commit-id: 8d514e6126249398151dfc5d504068195fef92ba
Former-commit-id: 9552920cef3a7e02991d192d693724a20ec73311
Former-commit-id: 3b147648277dd39f231f805c9b22fada6af11bdc
cschladetsch/KAI,cschladetsch/KAI,cschladetsch/KAI