fix(tests): make float column test deterministic

Sometimes the test case would fail due to the random balances
chosen for each user in prepareData.

The test is now deterministic by using an ordered fixed list of
balances.

Author: Samuel Roy

test/pagination.ts

@@ -91,6 +91,8 @@ describe('TypeORM cursor-based pagination test', () => {
 
     expect(firstPageResult.data[1].id).to.not.eq(nextPageResult.data[0].id);
     expect(firstPageResult.data[1].balance).to.be.above(nextPageResult.data[0].balance);
+    expect(firstPageResult.data[0].id).to.eq(10);
+    expect(nextPageResult.data[0].id).to.eq(8);
   });
 
   it('should return entities with given order', async () => {

test/utils/prepareData.ts

@@ -9,16 +9,12 @@ function setTimestamp(i: number): Date {
   return now;
 }
 
-function getRandomFloat(min: number, max: number): number {
-  const str = (Math.random() * (max - min) + min).toFixed(2);
-
-  return parseFloat(str);
-}
+const balances = [1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2];
 
 export async function prepareData(): Promise<void> {
   const data = [...Array(10).keys()].map((i) => ({
     name: `user${i}`,
-    balance: getRandomFloat(1, 2),
+    balance: balances[i],
     camelCaseColumn: setTimestamp(i),
     photos: [
       {