Add test for issue fix:

#44

Signed-off-by: Fred Boniface <fred@fjla.uk>

test/utils/sanitizer.utils.test.ts

@@ -9,7 +9,7 @@ describe("Sanitize Email", () => {
     "I%Have{Special}%Characters@example.com",
     "Basic.address@example.com",
     `"very.(),:;<>[]\".VERY.\"very\ \"very\".unusual"@example.com`,
-    "THIS_EMAIL_CONTAINS_CAPITALISED_DOMAIN@EXAMPLE.COM"
+    "THIS_EMAIL_CONTAINS_CAPITALISED_DOMAIN@EXAMPLE.COM",
   ];
   const expectedOutput = "example.com";
   for (const addr of inputs) {