diff -up wxWidgets-3.0.4/tests/filename/filenametest.cpp.fix_fntest wxWidgets-3.0.4/tests/filename/filenametest.cpp

--- wxWidgets-3.0.4/tests/filename/filenametest.cpp.fix_fntest	2018-03-07 11:55:38.000000000 -0500

+++ wxWidgets-3.0.4/tests/filename/filenametest.cpp	2018-11-22 11:58:40.099232797 -0500

@@ -766,8 +766,7 @@ void FileNameTestCase::TestExists()

 #ifdef __LINUX__

     // These files are only guaranteed to exist under Linux.

     // No need for wxFILE_EXISTS_NO_FOLLOW here; wxFILE_EXISTS_SYMLINK implies it

-    CPPUNIT_ASSERT( wxFileName::Exists("/dev/core", wxFILE_EXISTS_SYMLINK) );

-    CPPUNIT_ASSERT( wxFileName::Exists("/dev/log", wxFILE_EXISTS_SOCKET) );

+    CPPUNIT_ASSERT( wxFileName::Exists("/proc/self", wxFILE_EXISTS_SYMLINK) );

 #endif // __LINUX__

 #ifndef __VMS

     wxString fifo = dirTemp.GetPath() + "/fifo";