diff --git a/src/go/ast/ast_test.go b/src/go/ast/ast_test.go
index 1d1eeed59b0..55dec2583a7 100644
--- a/src/go/ast/ast_test.go
+++ b/src/go/ast/ast_test.go
@@ -63,23 +63,30 @@ var commentsRaw = []struct {
 	{[]string{"//", "//", "// foo"}, "//\n//\n// foo\n"},
 	{[]string{"// foo  bar  "}, "// foo  bar  \n"},
 	{[]string{"// foo", "// bar"}, "// foo\n// bar\n"},
-	{[]string{"// foo", "//", "//", "//", "// bar"}, "// foo\n//\n//\n//\n// bar\n"},
+	{[]string{"// foo", "//", "//", "//", "// bar"},
+		"// foo\n//\n//\n//\n// bar\n"},
 	{[]string{"// foo", "/* bar */"}, "// foo\n/* bar */\n"},
-	{[]string{"//", "//", "//", "// foo", "//", "//", "//"}, "//\n//\n//\n// foo\n//\n//\n//\n"},
+	{[]string{"//", "//", "//", "// foo", "//", "//", "//"},
+		"//\n//\n//\n// foo\n//\n//\n//\n"},
 
 	{[]string{"/**/"}, "/**/\n"},
 	{[]string{"/*   */"}, "/*   */\n"},
-	{[]string{"/**/", "/**/", "/*   */"}, "/**/\n/**/\n/*   */\n"},
+	{[]string{"/**/", "/**/", "/*   */"},
+		"/**/\n/**/\n/*   */\n"},
 	{[]string{"/* Foo   */"}, "/* Foo   */\n"},
 	{[]string{"/* Foo  Bar  */"}, "/* Foo  Bar  */\n"},
 	{[]string{"/* Foo*/", "/* Bar*/"}, "/* Foo*/\n/* Bar*/\n"},
-	{[]string{"/* Foo*/", "/**/", "/**/", "/**/", "// Bar"}, "/* Foo*/\n/**/\n/**/\n/**/\n// Bar\n"},
-	{[]string{"/* Foo*/", "/*\n*/", "//", "/*\n*/", "// Bar"}, "/* Foo*/\n/*\n*/\n//\n/*\n*/\n// Bar\n"},
+	{[]string{"/* Foo*/", "/**/", "/**/", "/**/", "// Bar"},
+		"/* Foo*/\n/**/\n/**/\n/**/\n// Bar\n"},
+	{[]string{"/* Foo*/", "/*\n*/", "//", "/*\n*/", "// Bar"},
+		"/* Foo*/\n/*\n*/\n//\n/*\n*/\n// Bar\n"},
 	{[]string{"/* Foo*/", "// Bar"}, "/* Foo*/\n// Bar\n"},
 	{[]string{"/* Foo\n Bar*/"}, "/* Foo\n Bar*/\n"},
 
-	{[]string{"// foo", "//go:noinline", "// bar", "//:baz"}, "// foo\n//go:noinline\n// bar\n//:baz\n"},
-	{[]string{"// foo", "//lint123:ignore", "// bar"}, "// foo\n//lint123:ignore\n// bar\n"},
+	{[]string{"// foo", "//go:noinline", "// bar", "//:baz"},
+		"// foo\n//go:noinline\n// bar\n//:baz\n"},
+	{[]string{"// foo", "//lint123:ignore", "// bar"},
+		"// foo\n//lint123:ignore\n// bar\n"},
 }
 
 func TestCommentRaw(t *testing.T) {