Remove test that depend on `mruby-enumerator` from `mruby-array-ext`
`Object.const_defined?(:Enumerator)` is always false because
`mruby-enumerator` is not specified in `test_dependency`. I don't
think this test is necessary.
MODIFY
mrbgems/mruby-array-ext/test/array.rb
mrbgems/mruby-array-ext/test/array.rb
@@ -195,12 +195,6 @@ assert("Array#reverse_each") do
b << i
end
assert_equal [ "d", "c", "b", "a" ], b
-
- if Object.const_defined?(:Enumerator)
- assert_equal [ "d", "c", "b", "a" ], a.reverse_each.to_a
- else
- true
- end
end
assert("Array#rotate") do

Remove test that depend on `mruby-enumerator` from `mruby-array-ext`

`Object.const_defined?(:Enumerator)` is always false because
`mruby-enumerator` is not specified in `test_dependency`. I don't
think this test is necessary.