diff --git a/charts/cert-manager-webhook-gandi/testdata/gandi/.gitignore b/charts/cert-manager-webhook-gandi/testdata/gandi/.gitignore
new file mode 100644
index 0000000..d8414ed
--- /dev/null
+++ b/charts/cert-manager-webhook-gandi/testdata/gandi/.gitignore
@@ -0,0 +1 @@
+/api-key.yaml
diff --git a/charts/cert-manager-webhook-gandi/testdata/gandi/api-key.yaml.sample b/charts/cert-manager-webhook-gandi/testdata/gandi/api-key.yaml.sample
new file mode 100644
index 0000000..94c40c0
--- /dev/null
+++ b/charts/cert-manager-webhook-gandi/testdata/gandi/api-key.yaml.sample
@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: gandi-api-key
+type: Opaque
+data:
+  key: <BASE64 API KEY>
diff --git a/charts/cert-manager-webhook-gandi/testdata/gandi/config.json b/charts/cert-manager-webhook-gandi/testdata/gandi/config.json
new file mode 100644
index 0000000..1c94f11
--- /dev/null
+++ b/charts/cert-manager-webhook-gandi/testdata/gandi/config.json
@@ -0,0 +1,6 @@
+{
+  "apiKeySecretRef": {
+    "name": "gandi-api-key",
+    "key": "key"
+  }
+}
\ No newline at end of file