diff --git a/app/src/test/java/io/lbry/browser/utils/HelperTest.java b/app/src/test/java/io/lbry/browser/utils/HelperTest.java
new file mode 100644
index 00000000..c43b7291
--- /dev/null
+++ b/app/src/test/java/io/lbry/browser/utils/HelperTest.java
@@ -0,0 +1,11 @@
+package io.lbry.browser.utils;
+
+import junit.framework.TestCase;
+
+public class HelperTest extends TestCase {
+
+    public void testSHA256() {
+        // Using a fake user id, which is a long.
+        assertEquals("de9edb2044d012f04553e49b04d54cbec8e8a46a40ad5a19bc5dcce1da00ecfd", Helper.SHA256(String.valueOf(12345678912345L)));
+    }
+}
\ No newline at end of file