Adding fixture file
diff --git a/rackspace/db/v1/instances/fixtures.go b/rackspace/db/v1/instances/fixtures.go
new file mode 100644
index 0000000..7fde6e5
--- /dev/null
+++ b/rackspace/db/v1/instances/fixtures.go
@@ -0,0 +1,69 @@
+package instances
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	th "github.com/rackspace/gophercloud/testhelper"
+	fake "github.com/rackspace/gophercloud/testhelper/client"
+)
+
+func HandleCreateInstanceSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/instances", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "POST")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+
+		th.TestJSONRequest(t, r, `
+{
+  "instance": {
+    "databases": [
+      {
+        "character_set": "utf8",
+        "collate": "utf8_general_ci",
+        "name": "sampledb"
+      },
+      {
+        "name": "nextround"
+      }
+    ],
+    "flavorRef": "1",
+    "name": "json_rack_instance",
+    "users": [
+      {
+        "databases": [
+          {
+            "name": "sampledb"
+          }
+        ],
+        "name": "demouser",
+        "password": "demopassword"
+      }
+    ],
+    "volume": {
+      "size": 2
+    },
+		"restorePoint": "1234567890"
+  }
+}
+`)
+
+		fmt.Fprintf(w, `
+{
+  "instance": {
+    "flavorRef": 1,
+    "name": "json_restore",
+    "restorePoint": {
+      "backupRef": "61f12fef-edb1-4561-8122-e7c00ef26a82"
+    },
+    "volume": {
+      "size": 2
+    }
+  }
+}
+`)
+	})
+}