Add unit test that raw strings are printed as is (#599)

## Changes
Add unit test that raw strings are printed as is. This method is useful
to print text that would otherwise be interpreted a go text template.

libs/template/helpers_test.go

@@ -2,12 +2,28 @@ package template
 
 import (
 	"context"
+	"strings"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
+func TestTemplatePrintStringWithoutProcessing(t *testing.T) {
+	ctx := context.Background()
+	tmpDir := t.TempDir()
+
+	r, err := newRenderer(ctx, nil, "./testdata/print-without-processing/template", "./testdata/print-without-processing/library", tmpDir)
+	require.NoError(t, err)
+
+	err = r.walk()
+	assert.NoError(t, err)
+
+	assert.Len(t, r.files, 1)
+	cleanContent := strings.Trim(string(r.files[0].content), "\n\r")
+	assert.Equal(t, `{{ fail "abc" }}`, cleanContent)
+}
+
 func TestTemplateRegexpCompileFunction(t *testing.T) {
 	ctx := context.Background()
 	tmpDir := t.TempDir()

libs/template/testdata/print-without-processing/template/hello.tmpl

@@ -0,0 +1 @@
+{{`{{ fail "abc" }}`}}