tests: fix broken tests.

test/unit/ip_geolocation_test.rb

@@ -68,7 +68,7 @@ class IpGeolocationTest < ActiveSupport::TestCase
       end
 
       should "work for a bogon IP" do
-        @ip = IpGeolocation.create_or_update!("103.10.192.0")
+        @ip = IpGeolocation.create_or_update!("198.51.100.1")
         assert_equal(true, @ip.is_proxy?)
       end
     end

test/unit/sources/plurk_test.rb

@@ -22,7 +22,7 @@ module Sources
       end
 
       should "get the artist name" do
-        assert_equal("紅眼兔", @post1.artist_name)
+        assert_equal("紅眼兔@姑且是個畫圖的", @post1.artist_name)
         assert_equal("redeyehare", @post1.tag_name)
         assert_equal("BOW99", @post4.tag_name)
       end