updated jest snapshots

Author: romitrivigo

__tests__/shared/components/TopcoderHeader/__snapshots__/Auth.jsx.snap

@@ -7,13 +7,15 @@ exports[`Snapshot match 1`] = `
   <a
     className="tc-btn-sm tc-btn-primary"
     href="http://accounts.topcoder-dev.com/member/registration?utm_source=community-app-main"
+    role="button"
   >
     Join
   </a>
   <a
     className="tc-btn-sm tc-btn-default"
     href="http://accounts.topcoder-dev.com/member?utm_source=community-app-main"
     onClick={[Function]}
+    role="button"
   >
     Log In
   </a>
@@ -27,13 +29,15 @@ exports[`Snapshot match 2`] = `
   <a
     className="tc-btn-sm tc-btn-primary"
     href="http://accounts.topcoder-dev.com/member/registration?utm_source=community-app-main"
+    role="button"
   >
     Join
   </a>
   <a
     className="tc-btn-sm tc-btn-default"
     href="http://accounts.topcoder-dev.com/member?utm_source=community-app-main"
     onClick={[Function]}
+    role="button"
   >
     Log In
   </a>