feat(CCS-001): find type test for .getModel()

Author: CyberT33N

src/ModelManager.ts

@@ -163,7 +163,7 @@ export default class ModelManager {
      * @param {string} name - The name of the model.
      * @returns The Mongoose model or `undefined` if not found.
      */
-    public getModel(name: string): IModel<any> | undefined {
+    public getModel(name: string): IModel<any> {
         const modelDetails = this.models.find(model => model.modelName === name)
 
         if (!modelDetails) {

test/unit/src/ModelManager.test-d.ts

@@ -134,7 +134,7 @@ describe('[TYPE TEST] - src/ModelManager.ts', () => {
                 it('should verify parameter and return type', () => {
                     expectTypeOf(modelManager['globModels']).parameter(0).toBeString()
                     expectTypeOf(modelManager['getModel']).returns
-                        .toEqualTypeOf<IModel<any> | undefined>()
+                        .toEqualTypeOf<IModel<any>>()
                 })
             })