testsuite: mark more tests with req_js_compactor

libraries/base/tests/IO/T21336/all.T

@@ -3,7 +3,7 @@ test('T21336a',
      [unless(opsys('linux') or opsys('freebsd'), skip), js_skip],
      compile_and_run, [''])
 test('T21336b',
-     [unless(opsys('linux') or opsys('freebsd'), skip), js_skip],
+     [unless(opsys('linux') or opsys('freebsd'), skip), req_js_compactor],
      makefile_test, [])
 test('T21336c',
      [ unless(opsys('linux') or opsys('freebsd'), skip)

testsuite/tests/programs/seward-space-leak/test.T

 test('seward-space-leak', [extra_files(['Main.lhs'])
                           , when(fast(), skip)
-                          , js_skip
+                          , req_js_compactor
                           ], multimod_compile_and_run,
      ['Main', ''])