JAL-674 patch NPE bug when test run in isolation

diff --git a/test/jalview/io/Jalview2xmlTests.java b/test/jalview/io/Jalview2xmlTests.java
index 32aa84a..fec7d75 100644 (file)
--- a/test/jalview/io/Jalview2xmlTests.java
+++ b/test/jalview/io/Jalview2xmlTests.java
@@ -237,7 +237,8 @@ public class Jalview2xmlTests
   @Test
   public void gatherViewsHere() throws Exception
   {
-    int origCount = Desktop.getAlignframes().length;
+    int origCount = Desktop.getAlignframes() == null ? 0 : Desktop
+            .getAlignframes().length;
     AlignFrame af = new jalview.io.FileLoader().LoadFileWaitTillLoaded(
             "examples/exampleFile_2_7.jar", FormatAdapter.FILE);
     assertTrue("Didn't read in the example file correctly.", af != null);