diff --git a/tests/fixtures/DEMO.yml b/tests/fixtures/DEMO.yml
new file mode 100644
index 0000000..86d638a
--- /dev/null
+++ b/tests/fixtures/DEMO.yml
@@ -0,0 +1,46 @@
+http_interactions:
+- request:
+    method: get
+    uri: http://ipinfo.io/
+    body:
+      encoding: ''
+      string: ''
+    headers:
+      Accept: application/json, text/xml, application/xml, */*
+  response:
+    status:
+      status_code: 200
+      category: Success
+      reason: OK
+      message: 'Success: (200) OK'
+    headers:
+      access-control-allow-origin: '*'
+      content-encoding: gzip
+      content-type: application/json; charset=utf-8
+      date: Fri, 04 Oct 2024 01:00:32 GMT
+      referrer-policy: strict-origin-when-cross-origin
+      vary: Accept-Encoding
+      x-content-type-options: nosniff
+      x-frame-options: SAMEORIGIN
+      x-xss-protection: 1; mode=block
+      content-length: '247'
+      via: 1.1 google
+      strict-transport-security: max-age=2592000; includeSubDomains
+    body:
+      encoding: ''
+      file: no
+      string: |-
+        {
+          "ip": "redacted",
+          "hostname": "redacted",
+          "city": "Wellington",
+          "region": "Wellington Region",
+          "country": "NZ",
+          "loc": "-41.2866,174.7756",
+          "org": "redacted",
+          "postal": "6021",
+          "timezone": "Pacific/Auckland",
+          "readme": "https://ipinfo.io/missingauth"
+        }
+  recorded_at: 2024-10-04 01:00:32 GMT
+  recorded_with: vcr/1.6.0, webmockr/0.9.0
diff --git a/tests/testthat/helper-vcr.R b/tests/testthat/helper-vcr.R
index b2abf49..8e8f767 100644
--- a/tests/testthat/helper-vcr.R
+++ b/tests/testthat/helper-vcr.R
@@ -1,6 +1,12 @@
 library("vcr") # *Required* as vcr is set up on loading
 invisible(vcr::vcr_configure(
   filter_sensitive_data = list("<<<redacted>>>" = Sys.getenv('EBIRD_KEY')),
+  # Remove sensitive information about tester from cassettes
+  filter_sensitive_data_regex = list(
+    '"ip": "redacted"' = '"ip": "[0-9.]+"',
+    '"hostname": "redacted"' = '"hostname": "[^"]*"',
+    '"org": "redacted"' = '"org": "[^"]*"'
+  ),
   dir = vcr::vcr_test_path("fixtures")
 ))
 vcr::check_cassette_names()
diff --git a/tests/testthat/test-DEMO.R b/tests/testthat/test-DEMO.R
new file mode 100644
index 0000000..021ef84
--- /dev/null
+++ b/tests/testthat/test-DEMO.R
@@ -0,0 +1,5 @@
+vcr::use_cassette("DEMO", {
+  test_that("DEMO", {
+    getlatlng()
+  })
+})