diff --git a/testdata/kubeconfig.yaml b/testdata/kubeconfig.yaml
index c04c3e17c6..94ffdc1347 100644
--- a/testdata/kubeconfig.yaml
+++ b/testdata/kubeconfig.yaml
@@ -1,44 +1,44 @@
 apiVersion: v1
 clusters:
-    - cluster:
-          certificate-authority-data: Q0FEQVRB
-          server: http://example.com
-          proxy-url: socks5://localhost:1181
-      name: cluster1
-    - cluster:
-          certificate-authority-data: Q0FEQVRBMg==
-          server: http://example2.com
-          insecure-skip-tls-verify: true
-      name: cluster2
+- cluster:
+    certificate-authority-data: Q0FEQVRB
+    server: http://example.com
+    proxy-url: socks5://localhost:1181
+  name: cluster1
+- cluster:
+    certificate-authority-data: Q0FEQVRBMg==
+    server: http://example2.com
+    insecure-skip-tls-verify: true
+  name: cluster2
 
 contexts:
-    - context:
-          cluster: cluster1
-          user: user1
-      name: context1
-    - context:
-          cluster: cluster2
-          namespace: namespace2
-          user: user2
-      name: context2
-    - context:
-          cluster: cluster2
-          user: user3
-      name: passwd
+- context:
+    cluster: cluster1
+    user: user1
+  name: context1
+- context:
+    cluster: cluster2
+    namespace: namespace2
+    user: user2
+  name: context2
+- context:
+    cluster: cluster2
+    user: user3
+  name: passwd
 
 current-context: context2
 kind: Config
 preferences: {}
 users:
-    - name: user1
-      user:
-          client-certificate-data: VVNFUl9DQURBVEE=
-          client-key-data: VVNFUl9DS0RBVEE=
-    - name: user2
-      user:
-          client-certificate-data: VVNFUjJfQ0FEQVRB
-          client-key-data: VVNFUjJfQ0tEQVRB
-    - name: user3
-      user:
-          username: foo
-          password: bar
+- name: user1
+  user:
+    client-certificate-data: VVNFUl9DQURBVEE=
+    client-key-data: VVNFUl9DS0RBVEE=
+- name: user2
+  user:
+    client-certificate-data: VVNFUjJfQ0FEQVRB
+    client-key-data: VVNFUjJfQ0tEQVRB
+- name: user3
+  user:
+    username: foo
+    password: bar