Add sleep in jitOptionsTest to ensure JVM has time to produce necessa…

…ry output

Signed-off-by: Irwin D'Souza <dsouzai.gh@gmail.com>

test/functional/cmdLineTests/criu/src/org/openj9/criu/OptionsFileTest.java

@@ -293,6 +293,13 @@ static void jitOptionsTest(String[] args) {
 		System.out.println("Pre-checkpoint");
 		CRIUTestUtils.checkPointJVM(criuSupport, imagePath, true);
 		System.out.println("Post-checkpoint");
+
+		// Sleep to ensure that the JVM produces output needed for test success.
+		try {
+			Thread.sleep(2000);
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		}
 	}
 
 }