Fix full file selection notation in Coverage

The testing harness is sending an incorrect syntax when selecting all
routines for the OSEHRA coverage.

Change "[*]" to "['*']" in the Testing/CMakeLists.txt file.

OSEHRA-Id: http://issues.osehra.org/browse/OAT-143
Change-Id: I8963cc8b820df16fa8c1f4dd9c02bc99018a5129