Update failing unit tests

Accessibility updates for icon only buttons required updates
to snapshot unit tests.

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: Ia2bb1576f53d3f38c4c68879b5273edd3d33b92d
diff --git a/tests/unit/Global/__snapshots__/InfoTooltip.spec.js.snap b/tests/unit/Global/__snapshots__/InfoTooltip.spec.js.snap
index 9b66038..9f988f5 100644
--- a/tests/unit/Global/__snapshots__/InfoTooltip.spec.js.snap
+++ b/tests/unit/Global/__snapshots__/InfoTooltip.spec.js.snap
@@ -2,7 +2,6 @@
 
 exports[`InfoTooltip.vue should render correctly 1`] = `
 <button
-  aria-label="global.ariaLabel.tooltip"
   class="btn btn-tooltip btn-icon-only btn-link"
   title="A tooltip test title"
   type="button"
@@ -24,5 +23,11 @@
       d="M8,15c-3.9,0-7-3.1-7-7s3.1-7,7-7s7,3.1,7,7S11.9,15,8,15z M8,2C4.7,2,2,4.7,2,8s2.7,6,6,6s6-2.7,6-6S11.3,2,8,2z"
     />
   </svg>
+   
+  <span
+    class="sr-only"
+  >
+    global.ariaLabel.tooltip
+  </span>
 </button>
 `;