Change ginkgo Wait() to Eventually() test

Changing the test in WaitWithDefaultTimeout() to use Eventually() and
gexec.Exit(). Using ExitCode() before command has really exited returns
a -1, which can cause issues for tests testing for podman to return
non-zero values.

Signed-off-by: Jhon Honce <jhonce@redhat.com>

test/utils/utils.go

@@ -320,7 +320,7 @@ func (s *PodmanSession) IsJSONOutputValid() bool {
 
 // WaitWithDefaultTimeout waits for process finished with defaultWaitTimeout
 func (s *PodmanSession) WaitWithDefaultTimeout() {
-	s.Wait(defaultWaitTimeout)
+	Eventually(s, defaultWaitTimeout).Should(gexec.Exit())
 	os.Stdout.Sync()
 	os.Stderr.Sync()
 	fmt.Println("output:", s.OutputToString())