ko: refresh translation for testing

Part of #925.

po/ko.po

@@ -9156,6 +9156,25 @@ msgid ""
 "}\n"
 "```"
 msgstr ""
+"```rust,editable\n"
+"fn helper(a: &str, b: &str) -> String {\n"
+"    format!(\"{a} {b}\")\n"
+"}\n"
+"\n"
+"pub fn main() {\n"
+"    println!(\"{}\", helper(\"Hello\", \"World\"));\n"
+"}\n"
+"\n"
+"#[cfg(test)]\n"
+"mod tests {\n"
+"    use super::*;\n"
+"\n"
+"    #[test]\n"
+"    fn test_helper() {\n"
+"        assert_eq!(helper(\"foo\", \"bar\"), \"foo bar\");\n"
+"    }\n"
+"}\n"
+"```"
 
 #: src/testing/test-modules.md:26
 msgid ""
@@ -13250,3 +13269,75 @@ msgid ""
 "}\n"
 "```"
 msgstr ""
+
+#: src/testing/unit-tests.md:5
+msgid ""
+"```rust,editable,ignore\n"
+"fn first_word(text: &str) -> &str {\n"
+"    match text.find(' ') {\n"
+"        Some(idx) => &text[..idx],\n"
+"        None => &text,\n"
+"    }\n"
+"}\n"
+"\n"
+"#[test]\n"
+"fn test_empty() {\n"
+"    assert_eq!(first_word(\"\"), \"\");\n"
+"}\n"
+"\n"
+"#[test]\n"
+"fn test_single_word() {\n"
+"    assert_eq!(first_word(\"Hello\"), \"Hello\");\n"
+"}\n"
+"\n"
+"#[test]\n"
+"fn test_multiple_words() {\n"
+"    assert_eq!(first_word(\"Hello World\"), \"Hello\");\n"
+"}\n"
+"```"
+msgstr ""
+"```rust,editable,ignore\n"
+"fn first_word(text: &str) -> &str {\n"
+"    match text.find(' ') {\n"
+"        Some(idx) => &text[..idx],\n"
+"        None => &text,\n"
+"    }\n"
+"}\n"
+"\n"
+"#[test]\n"
+"fn test_empty() {\n"
+"    assert_eq!(first_word(\"\"), \"\");\n"
+"}\n"
+"\n"
+"#[test]\n"
+"fn test_single_word() {\n"
+"    assert_eq!(first_word(\"Hello\"), \"Hello\");\n"
+"}\n"
+"\n"
+"#[test]\n"
+"fn test_multiple_words() {\n"
+"    assert_eq!(first_word(\"Hello World\"), \"Hello\");\n"
+"}\n"
+"```"
+
+#: src/testing/useful-crates.md:1
+msgid "## Useful crates for writing tests"
+msgstr "## 테스트 작성을 위한 유용한 크레이트"
+
+#: src/testing/useful-crates.md:5
+msgid "Here are some additional crates which we recommend for writing tests:"
+msgstr "다음은 테스트를 작성할 때 권장되는 추가 크레이트입니다."
+
+#: src/testing/useful-crates.md:7
+msgid ""
+"* [googletest](https://docs.rs/googletest): Comprehensive test assertion "
+"library in the tradition of GoogleTest for C++.\n"
+"* [proptest](https://docs.rs/proptest): Property-based testing for Rust.\n"
+"* [rstest](https://docs.rs/rstest): Support for fixtures and parameterised "
+"tests."
+msgstr ""
+"* [googletest](https://docs.rs/googletest): C++용 GoogleTest의 전통적 방식을 "
+"채택한 포괄적인 테스트 어설션 라이브러리입니다.\n"
+"* [proptest](https://docs.rs/proptest): Rust용 속성 기반 테스트입니다.\n"
+"* [rstest](https://docs.rs/rstest): 픽스처 및 매개변수화된 테스트를 지원합니"
+"다."