diff --git a/kustomize/internal/commands/edit/fix/fix_test.go b/kustomize/internal/commands/edit/fix/fix_test.go
index d0cd1b940..3c1b52210 100644
--- a/kustomize/internal/commands/edit/fix/fix_test.go
+++ b/kustomize/internal/commands/edit/fix/fix_test.go
@@ -7,6 +7,7 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/google/go-cmp/cmp"
 	"sigs.k8s.io/kustomize/api/filesys"
 	testutils_test "sigs.k8s.io/kustomize/kustomize/v3/internal/commands/testutils"
 )
@@ -31,3 +32,104 @@ func TestFix(t *testing.T) {
 		t.Errorf("expected kind in kustomization")
 	}
 }
+
+func TestFixOutdatedPatchesFieldTitle(t *testing.T) {
+	kustomizationContentWithOutdatedPatchesFieldTitle := []byte(`
+patchesJson6902:
+- path: patch1.yaml
+  target:
+    kind: Service
+- path: patch2.yaml
+  target:
+    group: apps
+    kind: Deployment
+    version: v1
+`)
+
+	expected := []byte(`
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+patches:
+- path: patch1.yaml
+  target:
+    kind: Service
+- path: patch2.yaml
+  target:
+    group: apps
+    kind: Deployment
+    version: v1
+`)
+	fSys := filesys.MakeFsInMemory()
+	testutils_test.WriteTestKustomizationWith(fSys, kustomizationContentWithOutdatedPatchesFieldTitle)
+	cmd := NewCmdFix(fSys)
+	err := cmd.RunE(cmd, nil)
+	if err != nil {
+		t.Errorf("unexpected cmd error: %v", err)
+	}
+	content, err := testutils_test.ReadTestKustomization(fSys)
+	if err != nil {
+		t.Errorf("unexpected read error: %v", err)
+	}
+	if !strings.Contains(string(content), "apiVersion: ") {
+		t.Errorf("expected apiVersion in kustomization")
+	}
+	if !strings.Contains(string(content), "kind: Kustomization") {
+		t.Errorf("expected kind in kustomization")
+	}
+
+	if diff := cmp.Diff(expected, content); diff != "" {
+		t.Errorf("Mismatch (-expected, +actual):\n%s", diff)
+	}
+}
+
+func TestRenameAndKeepOutdatedPatchesField(t *testing.T) {
+	kustomizationContentWithOutdatedPatchesFieldTitle := []byte(`
+patchesJson6902:
+- path: patch1.yaml
+  target:
+    kind: Deployment
+patches:
+- path: patch2.yaml
+  target:
+    kind: Deployment
+- path: patch3.yaml
+  target:
+    kind: Service
+`)
+
+	expected := []byte(`
+patches:
+- path: patch2.yaml
+  target:
+    kind: Deployment
+- path: patch3.yaml
+  target:
+    kind: Service
+- path: patch1.yaml
+  target:
+    kind: Deployment
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+`)
+	fSys := filesys.MakeFsInMemory()
+	testutils_test.WriteTestKustomizationWith(fSys, kustomizationContentWithOutdatedPatchesFieldTitle)
+	cmd := NewCmdFix(fSys)
+	err := cmd.RunE(cmd, nil)
+	if err != nil {
+		t.Errorf("unexpected cmd error: %v", err)
+	}
+	content, err := testutils_test.ReadTestKustomization(fSys)
+	if err != nil {
+		t.Errorf("unexpected read error: %v", err)
+	}
+	if !strings.Contains(string(content), "apiVersion: ") {
+		t.Errorf("expected apiVersion in kustomization")
+	}
+	if !strings.Contains(string(content), "kind: Kustomization") {
+		t.Errorf("expected kind in kustomization")
+	}
+
+	if diff := cmp.Diff(expected, content); diff != "" {
+		t.Errorf("Mismatch (-expected, +actual):\n%s", diff)
+	}
+}
diff --git a/kustomize/internal/commands/kustfile/kustomizationfile_test.go b/kustomize/internal/commands/kustfile/kustomizationfile_test.go
index 97bcc7655..36c28969f 100644
--- a/kustomize/internal/commands/kustfile/kustomizationfile_test.go
+++ b/kustomize/internal/commands/kustfile/kustomizationfile_test.go
@@ -338,103 +338,6 @@ kind: Kustomization
 	}
 }
 
-func TestRenameAndKeepOutdatedPatchesField(t *testing.T) {
-	kustomizationContentWithOutdatedPatchesFieldTitle := []byte(`
-patchesJson6902:
-- path: patch1.yaml
-  target:
-    kind: Deployment
-patches:
-- path: patch2.yaml
-  target:
-    kind: Deployment
-- path: patch3.yaml
-  target:
-    kind: Service
-`)
-
-	expected := []byte(`
-patches:
-- path: patch2.yaml
-  target:
-    kind: Deployment
-- path: patch3.yaml
-  target:
-    kind: Service
-- path: patch1.yaml
-  target:
-    kind: Deployment
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
-`)
-	fSys := filesys.MakeFsInMemory()
-	testutils_test.WriteTestKustomizationWith(fSys, kustomizationContentWithOutdatedPatchesFieldTitle)
-	mf, err := NewKustomizationFile(fSys)
-	if err != nil {
-		t.Fatalf("Unexpected Error: %v", err)
-	}
-
-	kustomization, err := mf.Read()
-	if err != nil {
-		t.Fatalf("Unexpected Error: %v", err)
-	}
-	if err = mf.Write(kustomization); err != nil {
-		t.Fatalf("Unexpected Error: %v", err)
-	}
-	bytes, _ := fSys.ReadFile(mf.path)
-
-	if diff := cmp.Diff(expected, bytes); diff != "" {
-		t.Errorf("Mismatch (-expected, +actual):\n%s", diff)
-	}
-}
-
-func TestFixOutdatedPatchesFieldTitle(t *testing.T) {
-	kustomizationContentWithOutdatedPatchesFieldTitle := []byte(`
-patchesJson6902:
-- path: patch1.yaml
-  target:
-    kind: Service
-- path: patch2.yaml
-  target:
-    group: apps
-    kind: Deployment
-    version: v1
-`)
-
-	expected := []byte(`
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
-patches:
-- path: patch1.yaml
-  target:
-    kind: Service
-- path: patch2.yaml
-  target:
-    group: apps
-    kind: Deployment
-    version: v1
-`)
-	fSys := filesys.MakeFsInMemory()
-	testutils_test.WriteTestKustomizationWith(fSys, kustomizationContentWithOutdatedPatchesFieldTitle)
-	mf, err := NewKustomizationFile(fSys)
-	if err != nil {
-		t.Fatalf("Unexpected Error: %v", err)
-	}
-
-	kustomization, err := mf.Read()
-	if err != nil {
-		t.Fatalf("Unexpected Error: %v", err)
-	}
-	if err = mf.Write(kustomization); err != nil {
-		t.Fatalf("Unexpected Error: %v", err)
-	}
-	bytes, _ := fSys.ReadFile(mf.path)
-
-	if diff := cmp.Diff(expected, bytes); diff != "" {
-		t.Errorf("Mismatch (-expected, +actual):\n%s", diff)
-	}
-}
-
 func TestUnknownFieldInKustomization(t *testing.T) {
 	kContent := []byte(`
 foo: