fix test for migrated employment data

Author: mmcky

quantecon/tests/test_filter.py

@@ -14,7 +14,6 @@
 def test_hamilton_filter():
     # read data
     data_dir = get_data_dir()
-    data_dir = 'data'
     data = pd.read_csv(os.path.join(data_dir, "employment.csv"),
                        names = ['year', 'employment', 'matlab_cyc', 'matlab_cyc_rw'])
 

quantecon/tests/util.py

@@ -44,7 +44,6 @@ def test_printed_msg(self):
 def get_data_dir():
     "Return directory where data is stored"
     this_dir = os.path.dirname(__file__)
-    # this_dir = os.path.abspath(".")
     data_dir = os.path.join(this_dir, "data")
     return data_dir