removed extra blank space in testLine3

gtsam/geometry/tests/testLine3.cpp

@@ -22,7 +22,6 @@ TEST(Line3, equals) {
   EXPECT(!l.equals(l2));
 }
 
-
 // testing localCoordinates along 4 dimensions
 TEST(Line3, localCoordinates) {
   // l1 and l differ only in a_
@@ -109,7 +108,6 @@ TEST(Line3, transformToExpressionJacobians) {
   EXPECT_CORRECT_FACTOR_JACOBIANS(f, val, 1e-5, 1e-7);
 }
 
-
 // projection in camera frame test
 TEST(Line3, projection) {
   Rot3 r = Rot3::Expmap(Vector3(0, 0, 0));