/usr/lib/x86_64-linux-gnu/libOsiCommonTests.so is in coinor-libosi-dev 0.106.9-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libOsiCommonTests.so.1.11.9
/usr/lib/x86_64-linux-gnu/libOsiCommonTests.so.1.11.9