fix syntax in test

workflow/tests/test_pool_and_psuedoreplicate.py

@@ -61,7 +61,7 @@ def test_check_controls_single(design_experiment_3):
 
 
 @pytest.mark.unit
-def test_generate_design(design_experiment_2)
+def test_generate_design(design_experiment_2):
     control_df = pool_and_psuedoreplicate.get_read_count_ratio(design_experiment_2)
     control_files = design_experiment_2.control_tag_align.unique()
     pool_control = pool_and_psuedoreplicate.pool(control_files, "pool_control", true)