Don't use Parkes, it needs TEMPO2

Author: aarchiba

tests/datafile/parkes.toa

@@ -1,9 +1,9 @@
 # These are Parkes format and have been changed to also be Parkes observatory
- PUPPI_J2044+28_58852_652 432.3420  58852.7590686063892    0.00  120.75        7
- PUPPI_J2044+28_58852_679 1433.237  58852.7921241426833    0.00  248.48        7
- PUPPI_J2044+28_58882_586 432.3420  58882.6825930247209    0.00  219.67        7
- PUPPI_J2044+28_58968_366 432.3430  58968.4254960153599    0.00  167.32        7
- PUPPI_J2044+28_58970_343 431.9220  58970.4001441717446    0.00  136.16        7
- PUPPI_J2044+28_58974_334 431.9220  58974.3901323879601    0.00  132.61        7
- PUPPI_J2044+28_58981_310 431.9220  58981.3623757223578    0.00  154.07        7
- PUPPI_J2044+28_59000_285 431.9220  59000.3318112360150    0.00  180.83        7
+ PUPPI_J2044+28_58852_652 432.3420  58852.7590686063892    0.00  120.75        @
+ PUPPI_J2044+28_58852_679 1433.237  58852.7921241426833    0.00  248.48        @
+ PUPPI_J2044+28_58882_586 432.3420  58882.6825930247209    0.00  219.67        @
+ PUPPI_J2044+28_58968_366 432.3430  58968.4254960153599    0.00  167.32        @
+ PUPPI_J2044+28_58970_343 431.9220  58970.4001441717446    0.00  136.16        @
+ PUPPI_J2044+28_58974_334 431.9220  58974.3901323879601    0.00  132.61        @
+ PUPPI_J2044+28_58981_310 431.9220  58981.3623757223578    0.00  154.07        @
+ PUPPI_J2044+28_59000_285 431.9220  59000.3318112360150    0.00  180.83        @

tests/test_toa_reader.py

@@ -45,7 +45,7 @@ def setUp(self):
 
     def test_read_parkes(self):
         ts = toa.get_TOAs("parkes.toa")
-        assert "parkes" in ts.observatories
+        assert "barycenter" in ts.observatories
         assert ts.ntoas == 8
 
     def test_commands(self):
@@ -158,4 +158,3 @@ def test_toa_merge():
     toas[0].ephem = "DE436"
     with pytest.raises(TypeError):
         nt = toa.merge_TOAs(toas)
-