diff --git a/kyaml/yaml/merge2/list_test.go b/kyaml/yaml/merge2/list_test.go
index 433524c60..78f2da912 100644
--- a/kyaml/yaml/merge2/list_test.go
+++ b/kyaml/yaml/merge2/list_test.go
@@ -4,6 +4,41 @@
 package merge2_test
 
 var listTestCases = []testCase{
+	{description: `merge k8s deployment containers`,
+		source: `
+apiVersion: apps/v1
+kind: Deployment
+spec:
+  template:
+    spec:
+      containers:
+      - name: foo1
+      - name: foo2
+      - name: foo3
+`,
+		dest: `
+apiVersion: apps/v1
+kind: Deployment
+spec:
+  template:
+    spec:
+      containers:
+      - name: foo0
+`,
+		expected: `
+apiVersion: apps/v1
+kind: Deployment
+spec:
+  template:
+    spec:
+      containers:
+      - name: foo0
+      - name: foo1
+      - name: foo2
+      - name: foo3
+`,
+	},
+
 	{description: `replace List -- different value in dest`,
 		source: `
 kind: Deployment