Do not add elems test to str

devscripts/gen-type-spectest

@@ -943,6 +943,8 @@ sub gen_array_tests {
             nok_each_index => [int => xmax => 1],
             ok_each_elem   => "float",
             nok_each_elem  => "int",
+            # 'elems' is actually not part of HasElems currently, but we stick
+            # it in here for the moment. str might get 'elems' too.
             elems_test     => {value=>[1, 1.2], ok=>["int","float"], nok=>["int","int"]},
         ),
     );
@@ -1049,7 +1051,9 @@ sub gen_str_tests {
             nok_each_index => [int => xmax => 2],
             ok_each_elem   => "str",
             nok_each_elem  => "float",
-            elems_test     => {value=>"abc", ok=>["str","str","str"], nok=>["str","str",[str=>is=>"d"]]},
+            # currently only array has 'elems' clause, and it's not part of
+            # HasELems role
+            #elems_test     => {value=>"abc", ok=>["str","str","str"], nok=>["str","str",[str=>is=>"d"]]},
         ),
 
         {
@@ -1138,8 +1142,8 @@ sub gen_hash_tests {
             nok_each_index => [str => len=>2],
             ok_each_elem   => "float",
             nok_each_elem  => "int",
-            # currently no elems test yet, elems clause value is currently
-            # array, while indexes of hash are strings.
+            # currently only array has 'elems' clause, and it's not part of
+            # HasELems role
         )
     );