Undefined method error fix

Failure/Error: Then the lower taxonomies should be "Cape Town, Table
Mountain National Park"
     NoMethodError:
       undefined method `get_lower' for #<Location:0x000001010ddc50
@name="South Africa">
No XML parser returns empty results test fix

The initial test Failures:

  1) Browse Lower Taxonomies Browsing Africa a location "South Africa"
-> the lower taxonomies should be "Cape Town, Table Mountain National
Park"
     Failure/Error: Then the lower taxonomies should be "Cape Town,
Table Mountain National Park"

       expected: "Cape Town, Table Mountain National Park"
            got: ""

       (compared using ==)
     # spec/steps/location_steps.rb:6:in `block in <top (required)>'
     # ./spec/acceptance/browse_lower_taxonomies.feature:4:in `block (6
levels) in run'
     # ./spec/acceptance/browse_lower_taxonomies.feature:3:in `each'
     # ./spec/acceptance/browse_lower_taxonomies.feature:3:in `block (5
levels) in run'
     # ./spec/acceptance/browse_lower_taxonomies.feature:4:in `the
lower taxonomies should be "Cape Town, Table Mountain National Park"'

  2) Location get_lower gets a location names lower in taxonomy
     Failure/Error: expect(location.get_lower.to_s).to eq("Cape Town,
Table Mountain National Park")

       expected: "Cape Town, Table Mountain National Park"
            got: ""

       (compared using ==)
     # ./spec/lib/location_spec.rb:25:in `block (3 levels) in <top
(required)>'

Finished in 0.01045 seconds
4 examples, 2 failures

Now:

Finished in 0.01292 seconds
4 examples, 0 failures

Feature test complete!