Update ciao tests

test/ciao/reverse/sources_layers_invalid_combo.coffee

@@ -27,7 +27,7 @@ should.exist json.geocoding.errors
 json.geocoding.errors.should.eql [ 'You have specified both the `sources` and `layers` parameters in a combination that will return no results.' ]
 
 #? expected warnings
-should.not.exist json.geocoding.warnings
+json.geocoding.warnings.should.eql [ 'You are using Quattroshapes as a data source in this query. Quattroshapes will be disabled as a data source for Mapzen Search in the next several weeks, and is being replaced by Who\'s on First, an actively maintained data project based on Quattroshapes. Your existing queries WILL CONTINUE TO WORK for the foreseeable future, but results will be coming from Who\'s on First and `source=quattroshapes` will be deprecated. If you have any questions, please email search@mapzen.com.' ]
 
 #? inputs
 json.geocoding.query['size'].should.eql 10

test/ciao/search/sources_layers_invalid_combo.coffee

@@ -27,7 +27,7 @@ should.exist json.geocoding.errors
 json.geocoding.errors.should.eql [ 'You have specified both the `sources` and `layers` parameters in a combination that will return no results.' ]
 
 #? expected warnings
-should.not.exist json.geocoding.warnings
+json.geocoding.warnings.should.eql [ 'You are using Quattroshapes as a data source in this query. Quattroshapes will be disabled as a data source for Mapzen Search in the next several weeks, and is being replaced by Who\'s on First, an actively maintained data project based on Quattroshapes. Your existing queries WILL CONTINUE TO WORK for the foreseeable future, but results will be coming from Who\'s on First and `source=quattroshapes` will be deprecated. If you have any questions, please email search@mapzen.com.' ]
 
 #? inputs
 json.geocoding.query['text'].should.eql 'a'