(problib) improve test output

Author: MatthijsBurgh

problib/src/test.cpp

@@ -148,7 +148,7 @@ void test() {
 	for (int i = 0; i < 1000; ++i) {
 		d = mix2.getLikelihood(exact2);
 	}
-	cout << "Density of mixture at " << mean2 << " = " << d << endl << endl;
+	cout << "Density of mixture at:\n" << mean2 << " = " << d << endl << endl;
 
 	cout << "Converting to msg ..." << endl << endl;
 	problib_msgs::PDF pdf_msg;
@@ -159,7 +159,7 @@ void test() {
 	PDF* received_pdf = pbl::msgToPDF(pdf_msg);
 	cout << "Result:" << endl << received_pdf->toString() << endl << endl;
 
-	cout << "Density of mixture at " << mean2 << " = " << received_pdf->getLikelihood(exact2) << endl << endl;
+	cout << "Density of mixture at:\n" << mean2 << " = " << received_pdf->getLikelihood(exact2) << endl << endl;
 
 	delete received_pdf;