Handle optional tests

Remove them if they are disabled to prevent from an accidental use.

perl-DBD-SQLite.spec

@@ -92,6 +92,11 @@ perl -i -ne 'print $_ unless m{^sqlite}' MANIFEST
 # Remove bundled modules
 rm -rf inc
 perl -i -ne 'print $_ unless m{^inc/}' MANIFEST
+# Handle optional tests
+%if !%{with perl_DBD_SQLite_enables_optional_test}
+rm t/virtual_table/21_perldata_charinfo.t
+perl -i -ne 'print $_ unless m{^t/virtual_table/21_perldata_charinfo\.t}' MANIFEST
+%endif
 
 %build
 CFLAGS="%{optflags}" perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 NO_PERLLOCAL=1