Added some tests (createOne and getAll)

migrations/20200211081052-create-brands.js

@@ -0,0 +1,28 @@
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable("Brands", {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      name: {
+        type: Sequelize.STRING,
+        allowNull: false,
+        unique: true
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: queryInterface => {
+    return queryInterface.dropTable("Brands");
+  }
+};

migrations/20200211081344-create-cars.js

@@ -0,0 +1,40 @@
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable("Cars", {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      name: {
+        type: Sequelize.STRING
+      },
+      year: {
+        type: Sequelize.INTEGER
+      },
+      active: {
+        type: Sequelize.BOOLEAN
+      },
+      brandId: {
+        type: Sequelize.INTEGER,
+        allowNull: true,
+        references: {
+          model: "Brands",
+          key: "id"
+        }
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: queryInterface => {
+    return queryInterface.dropTable("Cars");
+  }
+};