Fix snapshots

Author: ddc22

client/blocks/time-mismatch-warning/test/__snapshots__/index.jsx.snap

@@ -4,7 +4,7 @@ exports[`TimeMismatchWarning to render if GMT offsets do not match 1`] = `
 <div>
   <div
     aria-label="Notice"
-    class="notice is-warning is-dismissable"
+    class="notice is-reskinned is-warning is-dismissable"
     role="status"
   >
     <span

client/components/global-notices/test/__snapshots__/index.js.snap

@@ -8,7 +8,7 @@ exports[`<GlobalNotices /> should render notices with the expected structure 1`]
   >
     <div
       aria-label="Notice"
-      class="notice is-success is-dismissable"
+      class="notice is-reskinned is-success is-dismissable"
       role="status"
     >
       <span

client/jetpack-connect/test/__snapshots__/jetpack-connect-notices.js.snap

@@ -7,7 +7,7 @@ exports[`JetpackConnectNotices Should render non-terminal notice if callback sup
   >
     <div
       aria-label="Notice"
-      class="notice is-warning"
+      class="notice is-reskinned is-warning"
       role="status"
     >
       <span
@@ -49,7 +49,7 @@ exports[`JetpackConnectNotices Should render notice 1`] = `
   >
     <div
       aria-label="Notice"
-      class="notice is-error"
+      class="notice is-reskinned is-error"
       role="status"
     >
       <span