Test that coordinates are not zero.

test/unit/result_test.rb

@@ -56,7 +56,9 @@ class ResultTest < GeocoderTestCase
     m = "Lookup #{Geocoder.config.lookup} does not support %s attribute."
     assert result.coordinates.is_a?(Array),    m % "coordinates"
     assert result.latitude.is_a?(Float),       m % "latitude"
+    assert result.latitude != 0.0,             m % "latitude"
     assert result.longitude.is_a?(Float),      m % "longitude"
+    assert result.longitude != 0.0,            m % "longitude"
     assert result.city.is_a?(String),          m % "city"
     assert result.state.is_a?(String),         m % "state"
     assert result.state_code.is_a?(String),    m % "state_code"