Added base template for config ui.

appengine/config_service/ui/bower_components/sinon-chai/test/regressions.coffee

Index: appengine/config_service/ui/bower_components/sinon-chai/test/regressions.coffee
diff --git a/appengine/config_service/ui/bower_components/sinon-chai/test/regressions.coffee b/appengine/config_service/ui/bower_components/sinon-chai/test/regressions.coffee
new file mode 100644
index 0000000000000000000000000000000000000000..01b55773c870c4cf37f9b88840914a8c69e877b6
--- /dev/null
+++ b/appengine/config_service/ui/bower_components/sinon-chai/test/regressions.coffee
@@ -0,0 +1,22 @@
+"use strict"
+
+sinon = require("sinon")
+
+describe "Regressions", ->
+    specify "GH-19: functions with `proxy` properties", ->
+        func = ->
+        func.proxy = 5
+
+        spy = sinon.spy(func)
+        spy()
+
+        expect(-> spy.should.have.been.called).to.not.throw()
+
+    specify "GH-94: assertions on calls", ->
+        func = ->
+        spy = sinon.spy(func)
+
+        spy(1, 2, 3)
+        spy(4, 5, 6)
+
+        expect(-> spy.lastCall.should.have.been.calledWith(4, 5, 6)).to.not.throw()