displays welcome back when test has started

app/views/candidate/welcome_back.html.erb

@@ -0,0 +1,16 @@
+<% content_for :title, "Skills Assessment" %>
+
+<main class="intro_tpl">
+  <h1 class="prft-heading">Welcome Back</h1>
+
+  <p>Hello <%= current_candidate.name %></p>
+
+  <p>
+    We are ready to pick up where you left off.
+  </p>
+
+  <div class="btn-return">
+    <%= link_to "Return to Test", question_path, { class: "btn primary-btn" } %>
+  </div>
+
+</main>