@AfterClass
	public static void tearDown() throws Exception {
		singleNodeApplication.close();
		if (originalConfigLocation == null) {
			System.clearProperty("spring.config.location");
		}
		else {
			System.setProperty("spring.config.location", originalConfigLocation);
		}
	}
Tests a mixed security/SSL scenario, directly with the SpringXDTemplate. This allows a more relaxed
handling of SSL certificates, such as supporting self-signed certificates in the test.

@author Marius Bogoevici
spring-xd-shell/src/test/java/org/springframework/xd/shell/security/SecuredShellAccessWithSslTests.java