move unit tests into 'testing' directories
diff --git a/openstack/identity/v2/tenants/testing/doc.go b/openstack/identity/v2/tenants/testing/doc.go
new file mode 100644
index 0000000..7603f83
--- /dev/null
+++ b/openstack/identity/v2/tenants/testing/doc.go
@@ -0,0 +1 @@
+package testing
diff --git a/openstack/identity/v2/tenants/testing/fixtures.go b/openstack/identity/v2/tenants/testing/fixtures.go
new file mode 100644
index 0000000..7ddba45
--- /dev/null
+++ b/openstack/identity/v2/tenants/testing/fixtures.go
@@ -0,0 +1,64 @@
+package testing
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	"github.com/gophercloud/gophercloud/openstack/identity/v2/tenants"
+	th "github.com/gophercloud/gophercloud/testhelper"
+	"github.com/gophercloud/gophercloud/testhelper/client"
+)
+
+// ListOutput provides a single page of Tenant results.
+const ListOutput = `
+{
+	"tenants": [
+		{
+			"id": "1234",
+			"name": "Red Team",
+			"description": "The team that is red",
+			"enabled": true
+		},
+		{
+			"id": "9876",
+			"name": "Blue Team",
+			"description": "The team that is blue",
+			"enabled": false
+		}
+	]
+}
+`
+
+// RedTeam is a Tenant fixture.
+var RedTeam = tenants.Tenant{
+	ID:          "1234",
+	Name:        "Red Team",
+	Description: "The team that is red",
+	Enabled:     true,
+}
+
+// BlueTeam is a Tenant fixture.
+var BlueTeam = tenants.Tenant{
+	ID:          "9876",
+	Name:        "Blue Team",
+	Description: "The team that is blue",
+	Enabled:     false,
+}
+
+// ExpectedTenantSlice is the slice of tenants expected to be returned from ListOutput.
+var ExpectedTenantSlice = []tenants.Tenant{RedTeam, BlueTeam}
+
+// HandleListTenantsSuccessfully creates an HTTP handler at `/tenants` on the test handler mux that
+// responds with a list of two tenants.
+func HandleListTenantsSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/tenants", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "GET")
+		th.TestHeader(t, r, "Accept", "application/json")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		fmt.Fprintf(w, ListOutput)
+	})
+}
diff --git a/openstack/identity/v2/tenants/testing/requests_test.go b/openstack/identity/v2/tenants/testing/requests_test.go
new file mode 100644
index 0000000..2a9b71c
--- /dev/null
+++ b/openstack/identity/v2/tenants/testing/requests_test.go
@@ -0,0 +1,30 @@
+package testing
+
+import (
+	"testing"
+
+	"github.com/gophercloud/gophercloud/openstack/identity/v2/tenants"
+	"github.com/gophercloud/gophercloud/pagination"
+	th "github.com/gophercloud/gophercloud/testhelper"
+	"github.com/gophercloud/gophercloud/testhelper/client"
+)
+
+func TestListTenants(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+	HandleListTenantsSuccessfully(t)
+
+	count := 0
+	err := tenants.List(client.ServiceClient(), nil).EachPage(func(page pagination.Page) (bool, error) {
+		count++
+
+		actual, err := tenants.ExtractTenants(page)
+		th.AssertNoErr(t, err)
+
+		th.CheckDeepEquals(t, ExpectedTenantSlice, actual)
+
+		return true, nil
+	})
+	th.AssertNoErr(t, err)
+	th.CheckEquals(t, count, 1)
+}