--- /dev/null
+<?php
+
+namespace Drupal\Tests\drupalmoduleupgrader\Unit\Plugin\DMU\Converter\Functions;
+
+use Pharborist\Parser;
+
+/**
+ * @group DMU.Converter.Functions
+ * @covers \Drupal\drupalmoduleupgrader\Plugin\DMU\Converter\Functions\St
+ */
+class StTest extends FunctionCallModifierTestBase {
+
+ public function testRewrite() {
+ $function_call = Parser::parseExpression('st("I translate thee!")');
+ /** @var \Pharborist\Functions\FunctionCallNode $rewritten */
+ $rewritten = $this->plugin->rewrite($function_call, $this->target);
+ $this->assertSame($function_call, $rewritten);
+ $this->assertEquals('t("I translate thee!")', $rewritten->getText());
+ }
+
+}