TDD 작성

mobile/android/app/build.gradle.kts

@@ -8,11 +8,13 @@ plugins {
 android {
     namespace = "com.example.mobile"
     compileSdk = flutter.compileSdkVersion
-    ndkVersion = flutter.ndkVersion
+    ndkVersion = "27.0.12077973"
 
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
         targetCompatibility = JavaVersion.VERSION_11
+        // 코어 라이브러리 desugaring 활성화
+        isCoreLibraryDesugaringEnabled = true
     }
 
     kotlinOptions {
@@ -42,3 +44,8 @@ android {
 flutter {
     source = "../.."
 }
+
+dependencies {
+    // 코어 라이브러리 desugaring 의존성 추가
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.4")
+}