Fix flaky test

- We're dependent on APIServer + our countroller resolving this stamp
  in under a second, which just doesn't always happen.

Co-authored-by: Emily Johnson <emjohnson@vmware.com>

tests/integration/runnable/runnable_test.go

@@ -160,12 +160,12 @@ var _ = Describe("Stamping a resource on Runnable Creation", func() {
 					Eventually(func() (int, error) {
 						err := c.List(ctx, resourceList, &client.ListOptions{Namespace: testNS})
 						return len(resourceList.Items), err
-					}).Should(Equal(2))
+					}, "3s").Should(Equal(2))
 
 					Consistently(func() (int, error) {
 						err := c.List(ctx, resourceList, &client.ListOptions{Namespace: testNS})
 						return len(resourceList.Items), err
-					}, "2s").Should(BeNumerically("<=", 2))
+					}, "2s").Should(Equal(2))
 
 					Expect(resourceList.Items[0].Name).To(ContainSubstring("my-stamped-resource-"))
 					Expect(resourceList.Items[1].Name).To(ContainSubstring("my-stamped-resource-"))