test/e2e: on test failures dump server stack strace

To debug containers#22246, not sure if this will work. We likely kill the client
before which means the connection is likely closed and we do not see the
hang or whever happens.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

test/e2e/libpod_suite_remote_test.go

@@ -103,7 +103,11 @@ func (p *PodmanTestIntegration) StartRemoteService() {
 }
 
 func (p *PodmanTestIntegration) StopRemoteService() {
-	if err := p.RemoteSession.Signal(syscall.SIGTERM); err != nil {
+	signal := syscall.SIGTERM
+	if CurrentSpecReport().Failed() {
+		signal = syscall.SIGABRT
+	}
+	if err := p.RemoteSession.Signal(signal); err != nil {
 		GinkgoWriter.Printf("unable to clean up service %d, %v\n", p.RemoteSession.Pid, err)
 	}
 	if _, err := p.RemoteSession.Wait(); err != nil {