update _rev for deleted test model

packages/server/src/api/controllers/model.js

@@ -70,6 +70,7 @@ exports.destroy = async function(ctx) {
   const modelToDelete = await db.get(ctx.params.modelId)
 
   await db.remove(modelToDelete)
+
   const modelViewId = `all_${ctx.params.modelId}`
 
   // Delete all records for that model

packages/server/src/api/routes/tests/model.spec.js

@@ -108,7 +108,11 @@ describe("/models", () => {
       testModel = await createModel(request, instance._id, testModel)
     });
 
-    it("returns a success response when a model is deleted.", done => {
+    afterEach(() => {
+      delete testModel._rev
+    })
+
+    it("returns a success response when a model is deleted.", async done => {
       request
         .delete(`/api/${instance._id}/models/${testModel._id}/${testModel._rev}`)
         .set(defaultHeaders)