add test for graph build
diff --git a/genomix/genomix-pregelix/data/graphbuild.test/text.txt b/genomix/genomix-pregelix/data/graphbuild.test/text.txt
new file mode 100755
index 0000000..f9e7e07
--- /dev/null
+++ b/genomix/genomix-pregelix/data/graphbuild.test/text.txt
@@ -0,0 +1,2 @@
+1	AATAGAAGG

+2	ATAGAAACC