Remove "test" from the sections names in Catch unit tests

It doesn't really add anything and it's more convenient to specify the
section on the command line (using the "-c" option) if it's just a
single word, without spaces, as it doesn't need to be quoted then.

include/wx/catch_cppunit.h

@@ -205,7 +205,7 @@ inline std::string wxGetCurrentTestName()
         struct EatNextSemicolon
 
 #define CPPUNIT_TEST(testname)          \
-        SECTION(#testname " test")      \
+        SECTION(#testname)              \
         {                               \
             setUp();                    \
             try                         \