fixup click-to-select in dragmode:'zoom' test

- that drag(LASSO_PATH) call used to lead a no zoom,
  so this test did not properly check for seletedpoints
  persistence after zoom

Author: etpinard

test/jasmine/tests/select_test.js

@@ -437,17 +437,23 @@ describe('Click-to-select', function() {
               assertSelectedPoints([7, 35]);
               return _clickPt(mock14Pts[7], { shiftKey: true });
           })
-          .then(function() {
-              assertSelectedPoints(35);
-              drag(LASSO_PATH);
-          })
           .then(function() {
               assertSelectedPoints(35);
               _clickPt(mock14Pts[35], { shiftKey: true });
               return deselectPromise;
           })
           .then(function() {
               assertSelectionCleared();
+              return _clickPt(mock14Pts[7], { shiftKey: true });
+          })
+          .then(function() {
+              assertSelectedPoints(7);
+              drag([[110, 100], [300, 300]]);
+          })
+          .then(delay(100))
+          .then(function() {
+              // persist after zoombox
+              assertSelectedPoints(7);
           })
           .catch(failTest)
           .then(done);