[CMake] Look for folders "test", not "test*".

Before this commit it matched e.g. "test1" and failed finding the directory "test".

cmake/scripts/FindFiles.cmake

@@ -2,7 +2,7 @@
 cmake_policy(SET CMP0009 NEW)
 file(GLOB_RECURSE makefiles RELATIVE ${RELPATH} "CMakeLists.txt")
 foreach(_file ${makefiles})
-  string(REGEX MATCH ".*/test" _testdir ${_file})
+  string(REGEX MATCH ".*/test$" _testdir ${_file})
   if(_testdir)
     list(APPEND _makefiles ${_testdir})
   endif(_testdir)