diff --git a/test/index.html b/test/index.html
index 3e079a2e1..c047ad690 100644
--- a/test/index.html
+++ b/test/index.html
@@ -82,6 +82,7 @@
       'spec/core/graph.js',
       'spec/core/history.js',
       'spec/core/locations.js',
+      'spec/core/localizer.js',
       'spec/core/tree.js',
       'spec/core/validator.js',
 
diff --git a/test/spec/core/localizer.js b/test/spec/core/localizer.js
new file mode 100644
index 000000000..cf30d5ab7
--- /dev/null
+++ b/test/spec/core/localizer.js
@@ -0,0 +1,9 @@
+describe('iD.coreLocalizer', function() {
+    describe('#localized-text', function() {
+        it('appends localized text to the DOM', function() {
+            var selection = d3.select(document.createElement('div'));
+            selection.call(iD.localizer.t.append('icons.download' /* <- just any random string */));
+            expect(selection.selectChild().classed('localized-text')).to.be.true;
+        });
+    });
+});