Updating banner for #2

banner.json

@@ -1,5 +1,5 @@
 {
-  "text": "Register for the webinar - An Overview of The Global Greenhouse Gas Watch (G3W) - by Gianpaolo Balsamo, May 8th  at 12 noon ET.",
-  "link": "https://nasaenterprise.webex.com/weblink/register/rd916bf09633aa7d4f9fe87eb6ff67fe3",
-  "expires_on": "2024-07-08T12:00:00"
-}
+  "text": "This is a test banner. This is used for test purposes. This is for testing purposes.",
+  "link": "https://earth.gov/ghgcenter/stories/us-methane-sources",
+  "expires_on": "2021-07-05T12:00:00"
+}