move unit tests into 'testing' directories
diff --git a/openstack/orchestration/v1/apiversions/testing/doc.go b/openstack/orchestration/v1/apiversions/testing/doc.go
new file mode 100644
index 0000000..7603f83
--- /dev/null
+++ b/openstack/orchestration/v1/apiversions/testing/doc.go
@@ -0,0 +1 @@
+package testing
diff --git a/openstack/orchestration/v1/apiversions/testing/requests_test.go b/openstack/orchestration/v1/apiversions/testing/requests_test.go
new file mode 100644
index 0000000..ac59b6c
--- /dev/null
+++ b/openstack/orchestration/v1/apiversions/testing/requests_test.go
@@ -0,0 +1,90 @@
+package testing
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	"github.com/gophercloud/gophercloud"
+	"github.com/gophercloud/gophercloud/openstack/orchestration/v1/apiversions"
+	"github.com/gophercloud/gophercloud/pagination"
+	th "github.com/gophercloud/gophercloud/testhelper"
+	fake "github.com/gophercloud/gophercloud/testhelper/client"
+)
+
+func TestListVersions(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	th.Mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "GET")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+
+		w.Header().Add("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+
+		fmt.Fprintf(w, `
+{
+    "versions": [
+        {
+            "status": "CURRENT",
+            "id": "v1.0",
+            "links": [
+                {
+                    "href": "http://23.253.228.211:8000/v1",
+                    "rel": "self"
+                }
+            ]
+        }
+    ]
+}`)
+	})
+
+	count := 0
+
+	apiversions.ListVersions(fake.ServiceClient()).EachPage(func(page pagination.Page) (bool, error) {
+		count++
+		actual, err := apiversions.ExtractAPIVersions(page)
+		if err != nil {
+			t.Errorf("Failed to extract API versions: %v", err)
+			return false, err
+		}
+
+		expected := []apiversions.APIVersion{
+			{
+				Status: "CURRENT",
+				ID:     "v1.0",
+				Links: []gophercloud.Link{
+					gophercloud.Link{
+						Href: "http://23.253.228.211:8000/v1",
+						Rel:  "self",
+					},
+				},
+			},
+		}
+
+		th.AssertDeepEquals(t, expected, actual)
+
+		return true, nil
+	})
+
+	if count != 1 {
+		t.Errorf("Expected 1 page, got %d", count)
+	}
+}
+
+func TestNonJSONCannotBeExtractedIntoAPIVersions(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	th.Mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+	})
+
+	apiversions.ListVersions(fake.ServiceClient()).EachPage(func(page pagination.Page) (bool, error) {
+		if _, err := apiversions.ExtractAPIVersions(page); err == nil {
+			t.Fatalf("Expected error, got nil")
+		}
+		return true, nil
+	})
+}