Also add tests to DOI translator

translators/DOI.js

@@ -1,17 +1,3 @@
-{
-	"translatorID":"c159dcfe-8a53-4301-a499-30f6549c340d",
-	"translatorType":4,
-	"label":"DOI",
-	"creator":"Simon Kornblith",
-	"target":null,
-	"minVersion":"1.0.10",
-	"maxVersion":"",
-	"priority":300,
-	"browserSupport":"gcs",
-	"inRepository":true,
-	"lastUpdated":"2011-06-23 08:58:22"
-}
-
 var items = {};
 var selectArray = {};
 
@@ -109,3 +95,47 @@ function doWeb(doc, url) {
 	Zotero.wait();
 	retrieveNextDOI(DOIs, doc);
 }
+
+
+/** BEGIN TEST CASES **/
+var testCases = [
+	{
+		"type": "web",
+		"url": "http://www.crossref.org/help/Content/01_About_DOIs/What_is_a_DOI.htm",
+		"items": [
+			{
+				"itemType": "journalArticle",
+				"creators": [
+					{
+						"creatorType": "author",
+						"firstName": "J",
+						"lastName": "Mou"
+					}
+				],
+				"notes": [],
+				"tags": [],
+				"seeAlso": [],
+				"attachments": [
+					{
+						"document": false
+					}
+				],
+				"publicationTitle": "Journal of Molecular Biology",
+				"volume": "248",
+				"ISSN": "00222836",
+				"date": "1995-5-5",
+				"pages": "507-512",
+				"DOI": "10.1006/jmbi.1995.0238",
+				"url": "http://www.crossref.org/help/Content/01_About_DOIs/What_is_a_DOI.htm",
+				"title": "Atomic Force Microscopy of Cholera Toxin B-oligomers Bound to Bilayers of Biologically Relevant Lipids",
+				"libraryCatalog": "CrossRef"
+			}
+		]
+	},
+	{
+		"type": "web",
+		"url": "http://blog.apastyle.org/apastyle/digital-object-identifier-doi/",
+		"items": "multiple"
+	}
+]
+/** END TEST CASES **/