Add in test for testing map reads singleend.

workflow/tests/test_map_reads.py

+#!/usr/bin/env python3
+
+import pytest
+import os
+
+
+def test_map_reads_singleend():
+    aligned_reads_report = os.path.dirname(os.path.abspath(__file__)) + \
+                '../output/alignReads/ENCFF646LXU.srt.bam.flagstat.qc'
+    samtools_report = open(aligned_reads_report).readlines()
+    assert '80795025' in samtools_report[1]
+    assert '80050072' in samtools_report[5]
+
+
+def test_map_reads_pairedend():
+    # Do the same thing for paired end data
+    pass