Avoid race conditions using one big lock (testing)

Change-Id: Id4f779757b5f4edc003abad529b5dfce2ea6b0ba
diff --git a/src/main/java/net/onrc/onos/intent/PathIntent.java b/src/main/java/net/onrc/onos/intent/PathIntent.java
index 9a49035..7caef9f 100644
--- a/src/main/java/net/onrc/onos/intent/PathIntent.java
+++ b/src/main/java/net/onrc/onos/intent/PathIntent.java
@@ -52,4 +52,9 @@
 	public Intent getParentIntent() {
 		return parentIntent;
 	}
+
+	@Override
+	public String toString() {
+		return String.format("%s, %s, %s", getId(), getState(), getPath());
+	}
 }