Fix test cases.

eval/value_test.go

@@ -13,7 +13,7 @@ var reprTests = []struct {
 	want string
 }{
 	{String("233"), "233"},
-	{String("a\nb"), "'a\nb'"},
+	{String("a\nb"), `"a\nb"`},
 	{String("foo bar"), "'foo bar'"},
 	{String("a\x00b"), `"a\x00b"`},
 	{Bool(true), "$true"},

parse/quote_test.go

@@ -10,12 +10,13 @@ var quoteTests = []struct {
 	// Bareword when possible.
 	{"x-y,z@h/d", "x-y,z@h/d"},
 	// Single quote when there is special char but no unprintable.
-	{"x$y[]\nef'", "'x$y[]\nef'''"},
+	{"x$y[]ef'", "'x$y[]ef'''"},
 	// Tilde needs quoting only when appearing at the beginning
 	{"~x", "'~x'"},
 	{"x~", "x~"},
 	// Double quote when there is unprintable char.
-	{"\x1b\"\\", `"\x1b\"\\"`},
+	{"a\nb", `"a\nb"`},
+	{"\x1b\"\\", `"\e\"\\"`},
 }
 
 func TestQuote(t *testing.T) {