Getting null values for "timestamp"

[SantoshDeque]

Issue:
Getting null values for "timestamp" in results meta data

Steps to reproduce:
1)Try to analyze a page using axe-core-api

it "returns correct results metadata" do
   $driver.get "http://qateam.dequecloud.com/attest/api/test.html"
   res = run_axe
   expect(res.results.timestamp).not_to be_nil
 end

Actual result:
Getting "timestamp" as null

Expected Result:
values should not be null

[SantoshDeque]

This issue is fixed, related PR #292

[SantoshDeque]

Verified in latest release branch - (release-1681144013) and in build -[4.6.0.pre.47f4589], the fix is working fine.