Fix spelling.

workflow/tests/test_pool_and_psuedoreplicate.py

@@ -37,7 +37,7 @@ def design_experiment_3(design_experiment):
     design_df = design_experiment.drop(design_experiment.index[1])
     # Update to be paired as first
     design_experiment.loc[0, 'control_tag_align'] = 'B_1.bedpe.gz'
-	design_experiment.loc[0, 'ttag_align'] = 'A_1.bedpe.gz'
+	design_experiment.loc[0, 'tag_align'] = 'A_1.bedpe.gz'
     return design_experiment