diff --git a/internal/third_party/yaml/decode_test.go b/internal/third_party/yaml/decode_test.go
index 71cbf3c..d33e56c 100644
--- a/internal/third_party/yaml/decode_test.go
+++ b/internal/third_party/yaml/decode_test.go
@@ -209,7 +209,9 @@
 	// Structs
 	{
 		"a: {b: c}",
-		`a b: "c"`,
+		`a: {
+	b: "c"
+}`,
 	},
 	{
 		"hello: world",
@@ -231,7 +233,10 @@
 		"a: true",
 	}, {
 		"{ a: 1, b: {c: 1} }",
-		"a: 1\nb c: 1",
+		`a: 1
+b: {
+	c: 1
+}`,
 	},
 
 	// Some cross type conversions
@@ -396,7 +401,12 @@
 d: 2`,
 	}, {
 		"a: &a {c: 1}\nb: *a",
-		"a c: 1\nb c: 1",
+		`a: {
+	c: 1
+}
+b: {
+	c: 1
+}`,
 	}, {
 		"a: &a [1, 2]\nb: *a",
 		"a: [1, 2]\nb: [1, 2]", // TODO: a: [1, 2], b: a
@@ -449,7 +459,9 @@
 	// issue #295 (allow scalars with colons in flow mappings and sequences)
 	{
 		"a: {b: https://github.com/go-yaml/yaml}",
-		`a b: "https://github.com/go-yaml/yaml"`,
+		`a: {
+	b: "https://github.com/go-yaml/yaml"
+}`,
 	},
 	{
 		"a: [https://github.com/go-yaml/yaml]",
@@ -493,13 +505,19 @@
 a: 1
 d: 4
 c: 3
-sub e: 5`,
+sub: {
+	e: 5
+}`,
 	},
 
 	// Issue #39.
 	{
 		"a:\n b:\n  c: d\n",
-		`a b c: "d"`,
+		`a: {
+	b: {
+		c: "d"
+	}
+}`,
 	},
 
 	// Timestamps
diff --git a/internal/third_party/yaml/testdata/merge.out b/internal/third_party/yaml/testdata/merge.out
index e3edf5a..b8ed7a4 100644
--- a/internal/third_party/yaml/testdata/merge.out
+++ b/internal/third_party/yaml/testdata/merge.out
@@ -1,16 +1,18 @@
 // From http://yaml.org/type/merge.html
 // Test
-anchors list: [{
-	x: 1
-	y: 2
-}, {
-	x: 0
-	y: 2
-}, {
-	r: 10
-}, {
-	r: 1
-}]
+anchors: {
+	list: [{
+		x: 1
+		y: 2
+	}, {
+		x: 0
+		y: 2
+	}, {
+		r: 10
+	}, {
+		r: 1
+	}]
+}
 // All the following maps are equal:
 plain: {
 	// Explicit keys