[Tests] using MODULE directive into Slicing tests

tests/slicing/adpcm.c

tests/slicing/combine.i

tests/slicing/ex_spec_interproc.i

tests/slicing/mark_all_slices.i

tests/slicing/min_call.c

tests/slicing/select_by_annot.i

tests/slicing/select_simple.c

tests/slicing/simple_intra_slice.i

tests/slicing/slice_no_body.i

tests/slicing/switch.i