Revert "Hello World test"

This reverts commit b738fb4cd43d2742371c91ddde6847a4040e1577.
Revert "Hello 2"

This reverts commit 989ca0f45f78d6c715b873eb72331d25f1535202.
Revert "Revert "Hello World test""

This reverts commit 843514b57a7e3d86f57a4a6dc2e5be126fa057f9.