Disabling NCEI server test -- their headquarters in Asheville, NC hav…

…e been severely impacted by Hurrican Helene, and the NCEI site is offlin,e with no ETA for recovery.

pyspedas/projects/poes/tests/tests.py

@@ -36,6 +36,7 @@ def test_downloadonly(self):
         files = pyspedas.poes.sem(downloadonly=True, probe='noaa19')
         self.assertTrue(os.path.exists(files[0]))
 
+    @unittest.skip("NCEI offline for the time being, due to hurricane damage")
     def test_ncei_server(self):
         vars = load(trange=['1999-01-03', '1999-01-04'], probe=['noaa15'], ncei_server=True, time_clip=True)
         self.assertTrue('geogLL' in vars)