test: add unit tests for locale utility functions under the spec module

.changeset/metal-bottles-travel.md

@@ -1,5 +1,5 @@
 ---
-"@lingo.dev/_spec": major
+"@lingo.dev/_spec": patch
 ---
 
 Add unit test for utility function in locales.ts

packages/spec/src/locales.spec.ts

@@ -44,12 +44,11 @@ describe("resolveLocaleCode", () => {
   });
 
   it("should return first code for locales with multiple variants", () => {
-    expect(resolveLocaleCode("sr")).toEqual("sr-RS"); 
+    expect(resolveLocaleCode("sr")).toEqual("sr-RS");
     expect(resolveLocaleCode("zh")).toEqual("zh-CN");
   });
 });
 
-
 describe("getLocaleCodeDelimiter", () => {
   it("should return '-' for locale codes with hyphen delimiter", () => {
     expect(getLocaleCodeDelimiter("en-US")).toEqual("-");
@@ -82,4 +81,4 @@ describe("resolveOverridenLocale", () => {
     expect(resolveOverridenLocale("enUS", "_")).toEqual("enUS");
     expect(resolveOverridenLocale("frFR", "-")).toEqual("frFR");
   });
-});
+});