diff --git a/tests/CbtThemeLocale/escapeTextContent.php b/tests/CbtThemeLocale/escapeTextContent.php
index 62b18b02..8e594068 100644
--- a/tests/CbtThemeLocale/escapeTextContent.php
+++ b/tests/CbtThemeLocale/escapeTextContent.php
@@ -52,4 +52,10 @@ public function test_escape_text_content_with_inner_html() {
 		$expected_output = "<?php\n/* Translators: %s are html tags */\necho sprintf( esc_html__( '%sThis is a test text with %sHTML%s.%s', '" . wp_get_theme()->get( 'TextDomain' ) . "' ), '<p>', '<strong>', '</strong>', '</p>'); ?>";
 		$this->assertEquals( $expected_output, $escaped_string );
 	}
+
+	public function test_escape_text_content_with_non_string() {
+		$string         = null;
+		$escaped_string = $this->call_private_method( 'escape_text_content', array( $string ) );
+		$this->assertEquals( $string, $escaped_string );
+	}
 }