use stictEqual where applicable, add tests 'should not exist' and 'should exist without skin'

test/test.js

@@ -17,24 +17,36 @@ describe('Avatar Serving', function(){
   });
   describe('UUID', function(){
     it("should be an invalid uuid", function(done){
-      assert.equal(helpers.uuid_valid("invaliduuid"), false);
+      assert.strictEqual(helpers.uuid_valid("invaliduuid"), false);
       done();
     });
     it("should be a valid uuid", function(done){
-      assert.equal(helpers.uuid_valid("0098cb60fa8e427cb299793cbd302c9a"), true);
+      assert.strictEqual(helpers.uuid_valid("0098cb60fa8e427cb299793cbd302c9a"), true);
       done();
     });
+    it("should not exist", function(done){
+      networking.get_profile("00000000000000000000000000000000", function(err, profile) {
+        assert.strictEqual(err, 0);
+        done();
+      });
+    });
+    it("should exist without skin", function(done) {
+      helpers.get_avatar("ec561538f3fd461daff5086b22154bce", false, 160, function(err, status, image) {
+        assert.strictEqual(status, 3);
+        done();
+      });
+    });
   });
   describe('Avatar', function(){
     it("should be downloaded", function(done) {
       helpers.get_avatar(uuid, false, 160, function(err, status, image) {
-        assert.equal(status, 2);
+        assert.strictEqual(status, 2);
         done();
       });
     });
     it("should be local", function(done) {
       helpers.get_avatar(uuid, false, 160, function(err, status, image) {
-        assert.equal(status, 1);
+        assert.strictEqual(status, 1);
         done();
       });
     });
@@ -45,7 +57,7 @@ describe('Avatar Serving', function(){
     });
     it("should be rate limited", function(done) {
       helpers.get_avatar(uuid, false, 160, function(err, status, image) {
-        assert.equal(err, null);
+        assert.strictEqual(err, null);
         done();
       });
     });