added SpScPipeTest skeleton

src/test/java/teetime/framework/pipe/SpScPipeTest.java

+package teetime.framework.pipe;
+
+import org.junit.Test;
+
+import teetime.framework.InputPort;
+import teetime.framework.OutputPort;
+
+public class SpScPipeTest {
+
+	@Test
+	public void testSignalOrdering() throws Exception {
+		OutputPort<? extends Object> sourcePort = null;
+		InputPort<Object> targetPort = null;
+		IPipe pipe = new SpScPipe(sourcePort, targetPort, 1);
+
+		// TODO implement test
+		// pipe.sendSignal(signal);
+
+		// pipe.getSignal();
+	}
+}