Deflake e2e test should not show help running rmi -a

The problem is that the other `inspect` test may have the pause image
hanging around depending on the runtime configuration. We fix this by
removing all images during the `inspect` suite.

Signed-off-by: Sascha Grunert <sgrunert@redhat.com>

test/e2e/inspect_test.go

@@ -55,7 +55,7 @@ var _ = t.Describe("inspect", func() {
 
 	AfterEach(func() {
 		Expect(t.Crictl("rmp -f " + sandbox)).To(Exit(0))
-		Expect(t.Crictl("rmi " + imageLatest)).To(Exit(0))
+		Expect(t.Crictl("rmi -a")).To(Exit(0))
 	})
 
 	validateSingleResponse := func(contents []byte) {