Revert "Updating tests"

This reverts commit 5b692a1.

Author: avoidwork

tests/unit/filesize.test.js

@@ -243,6 +243,7 @@ describe('filesize', () => {
       describe('filesize() with number input', () => {
         it('should handle integer numbers', () => {
           assert.strictEqual(filesize(1024), '1.02 kB');
+          assert.strictEqual(filesize(0), '0 B');
           assert.strictEqual(filesize(-1024), '-1.02 kB');
         });
 
@@ -375,6 +376,7 @@ describe('filesize', () => {
         });
 
         it('should work with BigInt input and different options', () => {
+          assert.strictEqual(filesize(BigInt(1024), { standard: 'jedec' }), '1 KB');
           assert.strictEqual(filesize(BigInt(1000), { bits: true }), '8 kbit');
 
           const objectResult = filesize(BigInt(1024), { output: 'object' });