add expected output for pathmerge (singleread)
diff --git a/genomix/genomix-hadoop/src/test/resources/expected/pathmerge/singleread.txt b/genomix/genomix-hadoop/src/test/resources/expected/pathmerge/singleread.txt
new file mode 100644
index 0000000..be930c4
--- /dev/null
+++ b/genomix/genomix-hadoop/src/test/resources/expected/pathmerge/singleread.txt
@@ -0,0 +1 @@
+((1,1)	[]	[]	[]	[]	AATAGAAG)	(null)