Attempt to fix test timing

Author: bbimber

jbrowse/test/src/org/labkey/test/tests/external/labModules/JBrowseTest.java

@@ -131,6 +131,9 @@ private By getVariantWithinTrack(String trackId, String variantText, boolean wai
             waitForElement(l);
         }
 
+        // Not ideal, but this might fix intermittent failures due to loading
+        sleep(100);
+
         return By.xpath(l.toXpath());
     }