update instance termination not fulfilled test

This test can be affected by the order of the tests being run and the
shared counter variable to record requests to the mock endpointer
server. The fix adds a reset to the counter and a special handler to
increase count.

Author: elmiko

pkg/termination/termination_test.go

@@ -175,7 +175,10 @@ var _ = Describe("Handler Suite", func() {
 
 		Context("and the instance termination notice is not fulfilled", func() {
 			BeforeEach(func() {
-				httpHandler = newMockHTTPHandler(emptyEvents)
+				httpHandler = newMockHTTPHandler(func(rw http.ResponseWriter, req *http.Request) {
+					atomic.AddInt32(&counter, 1)
+					emptyEvents(rw, req)
+				})
 			})
 
 			It("should not mark the node for deletion", func() {