Refactor fixtures
diff --git a/rackspace/db/v1/users/fixtures.go b/rackspace/db/v1/users/fixtures.go
index 9fdae69..5388123 100644
--- a/rackspace/db/v1/users/fixtures.go
+++ b/rackspace/db/v1/users/fixtures.go
@@ -1,39 +1,8 @@
 package users
 
-import (
-	"fmt"
-	"net/http"
-	"testing"
-
-	th "github.com/rackspace/gophercloud/testhelper"
-	fake "github.com/rackspace/gophercloud/testhelper/client"
-)
-
 const singleDB = `{"databases": [{"name": "databaseE"}]}`
 
-func setupHandler(t *testing.T, url, method, requestBody, responseBody string, status int) {
-	th.Mux.HandleFunc(url, func(w http.ResponseWriter, r *http.Request) {
-		th.TestMethod(t, r, method)
-		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
-
-		if requestBody != "" {
-			th.TestJSONRequest(t, r, requestBody)
-		}
-
-		w.WriteHeader(status)
-
-		if responseBody != "" {
-			w.Header().Add("Content-Type", "application/json")
-			fmt.Fprintf(w, responseBody)
-		}
-	})
-}
-
-func HandleChangePasswordSuccessfully(t *testing.T, instanceID string) {
-	th.Mux.HandleFunc("/instances/"+instanceID+"/users", func(w http.ResponseWriter, r *http.Request) {
-		th.TestMethod(t, r, "PUT")
-		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
-		th.TestJSONRequest(t, r, `
+var changePwdReq = `
 {
   "users": [
     {
@@ -46,74 +15,35 @@
     }
   ]
 }
-`)
+`
 
-		w.Header().Set("Content-Type", "application/json")
-		w.WriteHeader(http.StatusAccepted)
-	})
-}
-
-func HandleUpdateSuccessfully(t *testing.T, instanceID, userName string) {
-	th.Mux.HandleFunc("/instances/"+instanceID+"/users/"+userName, func(w http.ResponseWriter, r *http.Request) {
-		th.TestMethod(t, r, "PUT")
-		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
-		th.TestJSONRequest(t, r, `
+var updateReq = `
 {
-  "user": {
-    "name": "new_username",
-    "password": "new_password"
-  }
+	"user": {
+		"name": "new_username",
+		"password": "new_password"
+	}
 }
-`)
+`
 
-		w.Header().Set("Content-Type", "application/json")
-		w.WriteHeader(http.StatusAccepted)
-	})
-}
-
-func HandleGetSuccessfully(t *testing.T, instanceID, userName string) {
-	th.Mux.HandleFunc("/instances/"+instanceID+"/users/"+userName, 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")
-
-		fmt.Fprintf(w, `
+var getResp = `
 {
-  "user": {
-    "name": "exampleuser",
-    "host": "foo",
-    "databases": [
-      {
-        "name": "databaseA"
-      },
-      {
-        "name": "databaseB"
-      }
-    ]
-  }
+	"user": {
+		"name": "exampleuser",
+		"host": "foo",
+		"databases": [
+			{
+				"name": "databaseA"
+			},
+			{
+				"name": "databaseB"
+			}
+		]
+	}
 }
-`)
-	})
-}
+`
 
-func HandleListUserAccessSuccessfully(t *testing.T, instanceID, userName string) {
-	th.Mux.HandleFunc("/instances/"+instanceID+"/users/"+userName+"/databases", 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")
-
-		fmt.Fprintf(w, singleDB)
-	})
-}
-
-func HandleGrantUserAccessSuccessfully(t *testing.T, instanceID, userName string) {
-	url := "/instances/" + instanceID + "/users/" + userName + "/databases"
-	setupHandler(t, url, "PUT", singleDB, "", http.StatusAccepted)
-}
-
-func HandleRevokeUserAccessSuccessfully(t *testing.T, instanceID, userName, dbName string) {
-	url := "/instances/" + instanceID + "/users/" + userName + "/databases/" + dbName
-	setupHandler(t, url, "DELETE", "", "", http.StatusAccepted)
-}
+var (
+	listUserAccessResp = singleDB
+	grantUserAccessReq = singleDB
+)