add tests/fix bug eternus volume/fix readme
diff --git a/tests/pillar/vsp_single.sls b/tests/pillar/vsp_single.sls
new file mode 100644
index 0000000..13450b4
--- /dev/null
+++ b/tests/pillar/vsp_single.sls
@@ -0,0 +1,19 @@
+cinder:
+  controller:
+    enabled: true
+    version: liberty
+    backend:
+      hus100_backend:
+        type_name: HUS100
+        backend: hus100_backend
+        engine: hitachi_vsp
+        connection: FC
+  volume:
+    enabled: true
+    version: liberty
+    backend:
+      hus100_backend:
+        type_name: HUS100
+        backend: hus100_backend
+        engine: hitachi_vsp
+        connection: FC
\ No newline at end of file