fix: Resolve CI test failures

- Add android-actions/setup-android@v3 for Android SDK in CI
- Use ./gradlew instead of gradle command
- Fix MockK 1.13.12 -> 1.13.14 (Kotlin 2.0 compat)
- Fix KSP version 2.0.0-1.0.22 -> 2.0.0-1.0.24
- Add junit-platform-launcher runtime dependency
- Remove Dispatchers.IO from text encrypt/decrypt ViewModels (testability)
- Rewrite ViewModelsTest using runTest only (no manual Dispatchers.setMain)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: PersonalViolet

.github/workflows/android-build.yml

@@ -30,13 +30,16 @@ jobs:
           distribution: temurin
           java-version: '17'
 
+      - name: Setup Android SDK
+        uses: android-actions/setup-android@v3
+
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
         with:
           gradle-version: 8.7
 
       - name: Run unit tests
-        run: gradle testDebugUnitTest
+        run: ./gradlew testDebugUnitTest
 
       - name: Upload test reports
         uses: actions/upload-artifact@v4
@@ -63,13 +66,16 @@ jobs:
           distribution: temurin
           java-version: '17'
 
+      - name: Setup Android SDK
+        uses: android-actions/setup-android@v3
+
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
         with:
           gradle-version: 8.7
 
       - name: Assemble debug APK
-        run: gradle assembleDebug
+        run: ./gradlew assembleDebug
 
       - name: Upload APK artifact
         uses: actions/upload-artifact@v4

android/app/build.gradle.kts

@@ -84,7 +84,9 @@ dependencies {
     implementation(libs.datastore.preferences)
 
     // Testing
-    testImplementation(libs.junit.jupiter)
+    testImplementation(libs.junit.jupiter.api)
+    testRuntimeOnly(libs.junit.jupiter.engine)
+    testRuntimeOnly(libs.junit.platform.launcher)
     testImplementation(libs.mockk)
     testImplementation(libs.turbine)
     testImplementation(libs.coroutines.test)

android/app/src/main/java/com/example/encryptapp/ui/viewmodel/TextDecryptViewModel.kt

@@ -6,7 +6,6 @@ import com.example.encryptapp.core.crypto.CryptoManager
 import com.example.encryptapp.core.domain.model.Algorithm
 import com.example.encryptapp.ui.components.LogEntry
 import dagger.hilt.android.lifecycle.HiltViewModel
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -39,7 +38,7 @@ class TextDecryptViewModel @Inject constructor(
 
         _state.value = _state.value.copy(isProcessing = true, error = null, result = null)
 
-        viewModelScope.launch(Dispatchers.IO) {
+        viewModelScope.launch {
             try {
                 val decrypted = cryptoManager.decryptText(encryptedText.trim(), password, algorithm)
                 val entry = LogEntry("Decrypted ($algorithm):\n$decrypted")

android/app/src/main/java/com/example/encryptapp/ui/viewmodel/TextEncryptViewModel.kt

@@ -6,7 +6,6 @@ import com.example.encryptapp.core.crypto.CryptoManager
 import com.example.encryptapp.core.domain.model.Algorithm
 import com.example.encryptapp.ui.components.LogEntry
 import dagger.hilt.android.lifecycle.HiltViewModel
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -39,7 +38,7 @@ class TextEncryptViewModel @Inject constructor(
 
         _state.value = _state.value.copy(isProcessing = true, error = null, result = null)
 
-        viewModelScope.launch(Dispatchers.IO) {
+        viewModelScope.launch {
             try {
                 val encrypted = cryptoManager.encryptText(text.trimEnd(), password, algorithm)
                 val entry = LogEntry("Encrypted ($algorithm):\n$encrypted")