Tweak test output

src/test-gradient-method.cc

@@ -108,8 +108,6 @@ void testSampleFunctionNonsmooth() {
     functionTester(J, start, 6);
   }
   std::cout << std::endl;
-  std::cout << std::endl;
-  std::cout << std::endl;
   {
     start = b;
     start /= (b.two_norm() - 1e-12); // Make sure the norm is above 1;
@@ -171,9 +169,9 @@ void testTrivialFunction() {
 int main() {
   try {
     testSampleFunction();
-    std::cout << std::endl;
+    std::cout << std::endl << std::endl << std::endl;
     testSampleFunctionNonsmooth();
-    std::cout << std::endl;
+    std::cout << std::endl << std::endl << std::endl;
     testTrivialFunction();
     return 0;
   }