diff --git a/spec/common/extra/migration.js b/spec/common/extra/migration.js
index 67e031a..defaff4 100644
--- a/spec/common/extra/migration.js
+++ b/spec/common/extra/migration.js
@@ -5,10 +5,16 @@ const TIME_V2 = 1601825250;
 const TIME_V3 = 1611825250;
 
 module.exports = (TestContext) => {
-  const testContext = TestContext.getInvoices();
+  const testContext = new TestContext();
 
   describe('Migration', () => {
-    const { Schema, } = testContext.ilorm;
+    after(async () => {
+      await testContext.deleteSource('users');
+
+      return testContext.finalCleanUp();
+    });
+
+    const { Schema, newModel, } = testContext.ilorm;
 
     // Always most recent version;
     const userSchema = new Schema({
@@ -45,20 +51,49 @@ module.exports = (TestContext) => {
     });
 
     it('API version should work', () => {
-      userSchema.version(TIME_V2, {
-        id: Schema.string(),
-        name: Schema.string(),
-        age: Schema.string(),
-      })
+      userSchema
+        .version(TIME_V2, {
+          id: Schema.string(),
+          name: Schema.string(),
+          age: Schema.string(),
+        })
         .version(TIME_V1, {
           id: Schema.string(),
           name: Schema.string(),
+        })
+        .up(async (UserModel) => {
+          const user = new UserModel();
+
+          user.id = '12345';
+          user.name = 'Guillaume Daix';
+
+          await user.save();
         });
     });
 
-    it('Should apply past schema', () => {
+    let UserModel;
+
+    it('Should build db with the most recent schema', async () => {
+      UserModel = newModel({
+        connector: new testContext.Connector({
+          sourceName: 'users',
+        }),
+        schema: userSchema,
+      });
 
+      // Will apply migration in order;
+      await UserModel.applyMigration();
+
+      // The migration TIME_V1 insert a user on an old schema, in theory, still in the db;
+      const user = await UserModel.query().findOne();
+
+      expect(user.id).to.be.equals('12345');
+      expect(user.firstName).to.be.equals('Guillaume');
+      expect(user.lastName).to.be.equals('Daix');
     });
 
+    it('Should rollback on past schema', () => {});
+
+    it('Should re-up on last schema', () => {});
   });
 };