test: Use Octave coding and spacing conventions for fixed test scripts * build_bc_overload_tests.sh, build_bc_overloads_expected.m, build_sparse_tests.sh, test_args.m, test_contin.m, test_diag_perm.m, test_error.m, test_eval-catch.m, test_for.m, test_func.m, test_global.m, test_if.m, test_index.m, test_io.m, test_logical_index.m, test_null_assign.m, test_parser.m, test_prefer.m, test_range.m, test_recursion.m, test_return.m, test_slice.m, test_struct.m, test_switch.m, test_system.m, test_transpose.m, test_try.m, test_unwind.m, test_while.m: Use Octave coding and spacing conventions for fixed test scripts.

--- a/test/test_recursion.m
+++ b/test/test_recursion.m
@@ -24,8 +24,9 @@
 %!  else
 %!    y = x * f (x-1);
 %!  endif
-%!test
-%! assert(f (5),120);
+%!endfunction
+%!
+%!assert(f (5), 120);
 
 %% test/octave.test/recursion/recursion-2.m
 %!function y = f (x)
@@ -35,6 +36,8 @@
 %!  else
 %!    y = f (x-1) * x;
 %!  endif
-%!test
-%! assert(f (5),120);
+%!endfunction
+%!
+%!assert(f (5), 120);
 
+%%FIXME: Need test for maximum recursion depth