update httparty gem

Author: dgodd

Gemfile.lock

@@ -6,9 +6,13 @@ GEM
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     hashdiff (1.0.1)
-    httparty (0.14.0)
+    httparty (0.18.1)
+      mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
     json (2.3.0)
+    mime-types (3.3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2020.0512)
     minitest (5.14.1)
     multi_xml (0.6.0)
     public_suffix (4.0.5)

test/test.rb

@@ -139,7 +139,7 @@ def test_basic_auth_delete
     response = @basic_auth.delete "products/1234?force=true"
 
     assert_equal 202, response.code
-    assert_equal '{"message":"Permanently deleted product"}', response.to_json
+    assert_equal '{"message":"Permanently deleted product"}', response.body
   end
 
   def test_basic_auth_delete_params
@@ -157,7 +157,7 @@ def test_basic_auth_delete_params
     response = @basic_auth.delete "products/1234", force: true
 
     assert_equal 202, response.code
-    assert_equal '{"message":"Permanently deleted product"}', response.to_json
+    assert_equal '{"message":"Permanently deleted product"}', response.body
   end
 
   def test_oauth_delete
@@ -170,7 +170,7 @@ def test_oauth_delete
     response = @oauth.delete "products/1234?force=true"
 
     assert_equal 202, response.code
-    assert_equal '{"message":"Permanently deleted product"}', response.to_json
+    assert_equal '{"message":"Permanently deleted product"}', response.body
   end
 
   def test_adding_query_params