Update URL field returned by OEmbed test

* Twitter has changed the url it returns from the live API

Author: ChimeraCoder

Diff for: json/statuses/oembed.json

@@ -1 +1 @@
-{"cache_age":"3153600000","url":"https:\/\/twitter.com\/twitter\/statuses\/99530515043983360","height":null,"provider_url":"https:\/\/twitter.com","provider_name":"Twitter","author_name":"Twitter","version":"1.0","author_url":"https:\/\/twitter.com\/twitter","type":"rich","html":"\u003Cblockquote class=\"twitter-tweet\"\u003E\u003Cp lang=\"en\" dir=\"ltr\"\u003ECool! \u201C\u003Ca href=\"https:\/\/twitter.com\/tw1tt3rart\"\u003E@tw1tt3rart\u003C\/a\u003E: \u003Ca href=\"https:\/\/twitter.com\/hashtag\/TWITTERART?src=hash\"\u003E#TWITTERART\u003C\/a\u003E \u2571\u2571\u2571\u2571\u2571\u2571\u2571\u2571 \u2571\u2571\u256D\u2501\u2501\u2501\u2501\u256E\u2571\u2571\u256D\u2501\u2501\u2501\u2501\u256E \u2571\u2571\u2503\u2587\u2506\u2506\u2587\u2503\u2571\u256D\u252B\u24E6\u24D4\u24D4\u24DA\u2503 \u2571\u2571\u2503\u25BD\u25BD\u25BD\u25BD\u2503\u2501\u256F\u2503\u2661\u24D4\u24DD\u24D3\u2503 \u2571\u256D\u252B\u25B3\u25B3\u25B3\u25B3\u2523\u256E\u2571\u2570\u2501\u2501\u2501\u2501\u256F \u2571\u2503\u2503\u2506\u2506\u2506\u2506\u2503\u2503\u2571\u2571\u2571\u2571\u2571\u2571 \u2571\u2517\u252B\u2506\u250F\u2513\u2506\u2523\u251B\u2571\u2571\u2571\u2571\u2571\u201D\u003C\/p\u003E— Twitter (@twitter) \u003Ca href=\"https:\/\/twitter.com\/twitter\/status\/99530515043983360\"\u003EAugust 5, 2011\u003C\/a\u003E\u003C\/blockquote\u003E\n\u003Cscript async src=\"\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"\u003E\u003C\/script\u003E","width":550}
+{"url":"https:\/\/twitter.com\/twitter\/status\/99530515043983360","author_name":"Twitter","author_url":"https:\/\/twitter.com\/twitter","html":"\u003Cblockquote class=\"twitter-tweet\"\u003E\u003Cp lang=\"en\" dir=\"ltr\"\u003ECool! “\u003Ca href=\"https:\/\/twitter.com\/tw1tt3rart\"\u003E@tw1tt3rart\u003C\/a\u003E: \u003Ca href=\"https:\/\/twitter.com\/hashtag\/TWITTERART?src=hash\"\u003E#TWITTERART\u003C\/a\u003E ╱╱╱╱╱╱╱╱ ╱╱╭━━━━╮╱╱╭━━━━╮ ╱╱┃▇┆┆▇┃╱╭┫ⓦⓔⓔⓚ┃ ╱╱┃▽▽▽▽┃━╯┃♡ⓔⓝⓓ┃ ╱╭┫△△△△┣╮╱╰━━━━╯ ╱┃┃┆┆┆┆┃┃╱╱╱╱╱╱ ╱┗┫┆┏┓┆┣┛╱╱╱╱╱”\u003C\/p\u003E— Twitter (@twitter) \u003Ca href=\"https:\/\/twitter.com\/twitter\/status\/99530515043983360\"\u003EAugust 5, 2011\u003C\/a\u003E\u003C\/blockquote\u003E\n\u003Cscript async src=\"\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"\u003E\u003C\/script\u003E","width":550,"height":null,"type":"rich","cache_age":"3153600000","provider_name":"Twitter","provider_url":"https:\/\/twitter.com","version":"1.0"}1\u2571\u201D\u003C\/p\u003E— Twitter (@twitter) \u003Ca href=\"https:\/\/twitter.com\/twitter\/status\/99530515043983360\"\u003EAugust 5, 2011\u003C\/a\u003E\u003C\/blockquote\u003E\n\u003Cscript async src=\"\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"\u003E\u003C\/script\u003E","width":550}

Diff for: oembed.go

@@ -68,5 +68,10 @@ func (a TwitterApi) baseUrlV1() string {
 	if a.baseUrl == BaseUrl {
 		return BaseUrlV1
 	}
+
+	if a.baseUrl == "" {
+		return BaseUrlV1
+	}
+
 	return a.baseUrl
 }

Diff for: oembed_test.go

@@ -19,13 +19,13 @@ func TestOEmbed(t *testing.T) {
 	}
 
 	if !reflect.DeepEqual(o, expectedOEmbed) {
-		t.Errorf("Actual OEmbed differs expected:\n%+v\n Got: \n%+v\n", expectedOEmbed, o)
+		t.Errorf("Actual OEmbed differs expected:\n%#v\n Got: \n%#v\n", expectedOEmbed, o)
 	}
 }
 
 var expectedOEmbed anaconda.OEmbed = anaconda.OEmbed{
 	Cache_age:     "3153600000",
-	Url:           "https://twitter.com/twitter/statuses/99530515043983360",
+	Url:           "https://twitter.com/twitter/status/99530515043983360",
 	Height:        0,
 	Provider_url:  "https://twitter.com",
 	Provider_name: "Twitter",