test new queryParamToBool helper

tests/app.test.js

@@ -384,7 +384,7 @@ describe('Collection', () => {
   })
 
   test('shoud get collection\'s filters using withFilters parameter', async () => {
-    const response = await request(app)
+    let response = await request(app)
       .get('/api/collections?withFilters=true')
       .expect(200)
 
@@ -393,6 +393,18 @@ describe('Collection', () => {
     expect(response.body[0].filters.length).toBe(1)
     expect(response.body[0].filters[0].tags.length).toBe(1)
     expect(response.body[0].filters[0].tags[0]).toBe('test')
+
+    response = await request(app)
+      .get('/api/collections')
+      .expect(200)
+    expect(response.body[0].filters).toBeUndefined()
+
+
+    response = await request(app)
+      .get('/api/collections?withFilters=false')
+      .expect(200)
+    expect(response.body[0].filters).toBeUndefined()
+
   })
 
   test('should get collection events', async () => {