add test case for tandem repeats with multiple self-edges
diff --git a/genomix/genomix-hadoop/data/webmap/PathMerge_TestSet/MultiTandemRepeat2/repeat.txt b/genomix/genomix-hadoop/data/webmap/PathMerge_TestSet/MultiTandemRepeat2/repeat.txt
new file mode 100644
index 0000000..00b443b
--- /dev/null
+++ b/genomix/genomix-hadoop/data/webmap/PathMerge_TestSet/MultiTandemRepeat2/repeat.txt
@@ -0,0 +1 @@
+1	ATCGCGCAT
\ No newline at end of file