ISTWCMS-4695: updating card to handle sub title only and adding to banners yml to test

source/_patterns/04-components/banners/banners.yml

@@ -46,7 +46,7 @@ banners:
           type: 'image/jpeg'
       img_element: '../../../../source/images/president/president_xlarge.jpg'
       alt: 'Alternative text'
-      big_text: 'Image2'
+      small_text: 'Image2'
     -
       sources:
         - srcset: '../../../../source/images/president/president_xlarge.jpg'

source/_patterns/04-components/card/card.twig

@@ -3,7 +3,7 @@
 <article class="card {{ modifier_classes }} {% if show_hover %} card--show-hover {% endif %} {{ type }}" >
   <div class="card__body">
 
-    {% if title or author or date %}
+    {% if title or author or date or sub_title %}
       <div class="card__header">
         {% if date %}
           <div class="card__date">
@@ -23,19 +23,24 @@
           </div>
         {% endif %}
 
-        {% if title %}
-          <h{{ header_level }} class="card__title">
-            {% if url %}
-              <a href="{{ url }}">
-            {% endif %}
-            {{ title }}
-            {% if url %}
-              </a>
-            {% endif %}
-          </h{{ header_level }}>
+        {% if title or sub_title %}
+
+          {% if title %}
+            <h{{ header_level }} class="card__title">
+              {% if url %}
+                <a href="{{ url }}">
+              {% endif %}
+              {{ title }}
+              {% if url %}
+                </a>
+              {% endif %}
+            </h{{ header_level }}>
+          {% endif %}
+
           {% if sub_title %}
             <span class="sub-title">{{ sub_title }}</span>
           {% endif %}
+
         {% endif %}
 
         {% if author_name %}