[Tests] uniformization with master

src/plugins/nonterm/tests/nonterm/oracle/output_to_file.txt

src/plugins/server/tests/batch/ast_services.i

src/plugins/server/tests/batch/wrong.i

src/plugins/variadic/tests/erroneous/no-param.i

src/plugins/variadic/tests/erroneous/not-enough-par.i

src/plugins/variadic/tests/erroneous/variadic-builtin.i

tests/cil/bts892.i

tests/cil/ghost_cfg.c

tests/metrics/locals_size.i

tests/metrics/used-files.i

tests/misc/bts0990_link.i

tests/misc/custom_machdep.c

tests/misc/debug_category.i

tests/misc/function_ptr_lvalue_1.i

tests/misc/global_decl_loc2.i

tests/misc/log_selfrec.i

tests/misc/oracle/function_ptr_lvalue_1.res.oracle

tests/spec/multiple_include_2.c

tests/syntax/arg_type.i

tests/syntax/bad_return_bts_599.i