fix: Update test to check null qualifiers instead of undefined

KDB223 · web-flow · commit 1275dd56cd8a · 2023-05-13T00:03:15.000+05:30
diff --git a/test/mutation.ts b/test/mutation.ts
@@ -458,7 +458,7 @@ describe('Bigtable/Mutation', () => {
       const parsed = Mutation.parseColumnName('a');
 
       assert.strictEqual(parsed.family, 'a');
-      assert.strictEqual(parsed.qualifier, undefined);
+      assert.strictEqual(parsed.qualifier, null);
     });
   });
 
