Add onClick handler to CTA.

public/app/core/components/EmptyListCTA/EmptyListCTA.test.tsx

@@ -7,6 +7,7 @@ const model = {
   buttonIcon: 'ga css class',
   buttonLink: 'http://url/to/destination',
   buttonTitle: 'Click me',
+  onClick: 'handler',
   proTip: 'This is a tip',
   proTipLink: 'http://url/to/tip/destination',
   proTipLinkTitle: 'Learn more',

public/app/core/components/EmptyListCTA/EmptyListCTA.tsx

@@ -11,6 +11,7 @@ class EmptyListCTA extends Component<Props, any> {
       buttonIcon,
       buttonLink,
       buttonTitle,
+      onClick,
       proTip,
       proTipLink,
       proTipLinkTitle,
@@ -19,7 +20,7 @@ class EmptyListCTA extends Component<Props, any> {
     return (
       <div className="empty-list-cta">
         <div className="empty-list-cta__title">{title}</div>
-        <a href={buttonLink} className="empty-list-cta__button btn btn-xlarge btn-success">
+        <a onClick={onClick} href={buttonLink} className="empty-list-cta__button btn btn-xlarge btn-success">
           <i className={buttonIcon} />
           {buttonTitle}
         </a>

public/app/core/components/EmptyListCTA/__snapshots__/EmptyListCTA.test.tsx.snap

@@ -12,6 +12,7 @@ exports[`EmptyListCTA renders correctly 1`] = `
   <a
     className="empty-list-cta__button btn btn-xlarge btn-success"
     href="http://url/to/destination"
+    onClick="handler"
   >
     <i
       className="ga css class"