Use a random number instead of hard coded in test

test/automated/api/configmanagement.test.js

@@ -92,7 +92,7 @@ const appearanceValues = {
 const streamOutputVariants = {
 	videoBitrate: randomNumber() * 100,
 	framerate: 42,
-	cpuUsageLevel: 2,
+	cpuUsageLevel: randomNumber(4, 0),
 	scaledHeight: randomNumber() * 100,
 	scaledWidth: randomNumber() * 100,
 };

test/automated/api/lib/rand.js

@@ -2,14 +2,14 @@ const crypto = require('crypto');
 const Random = require('crypto-random');
 
 //returns a random number in range of [1 - max]
-function randomNumber(max = 5) {
-	return Random.range(1, max);
+function randomNumber(max = 5, min = 1) {
+	return Random.range(0, max);
 }
 
 //returns a random hex string
 function randomString(length = 20) {
-    const bytesCount = Math.ceil(length / 2);
-    return crypto.randomBytes(bytesCount).toString('hex').substring(0, length);
+	const bytesCount = Math.ceil(length / 2);
+	return crypto.randomBytes(bytesCount).toString('hex').substring(0, length);
 }
 
 module.exports.randomNumber = randomNumber;