generate fake B_1.bedse.gz file

workflow/tests/test_pool_and_psuedoreplicate.py

@@ -63,7 +63,7 @@ def test_check_controls_single(design_experiment_3):
 @pytest.mark.unit
 def test_single_rep(design_experiment_2):
     cwd = os.getcwd()
-    B_1 = open(cwd + 'B_1.bedse.gz')
+    B_1 = open(cwd + '/B_1.bedse.gz', "w+")
     B_1.close()
     single_rep = pool_and_psuedoreplicate.generate_design('false', 1.2, design_experiment_2, cwd, 1, 1)