e2e: ExitCleanly(): low-hanging fruit, part 2

Commit 2 of 2: manual tweaks to get tests passing. Very trivial,
the vast majority of these test files worked with no changes.

Signed-off-by: Ed Santiago <santiago@redhat.com>

test/e2e/ps_test.go

@@ -424,7 +424,7 @@ var _ = Describe("Podman ps", func() {
 
 		session = podmanTest.Podman([]string{"ps", "-a", "--format", "{{.Size}}"})
 		session.WaitWithDefaultTimeout()
-		Expect(session).Should(ExitCleanly())
+		Expect(session).Should(Exit(0))
 		Expect(session.ErrorToString()).To(ContainSubstring("Size format requires --size option"))
 	})