Unit tests are on the android side.

androidApp/build.gradle.kts

@@ -116,13 +116,6 @@ dependencies {
 
     implementation("androidx.preference:preference-ktx:1.1.1")
 
-    // Testing
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0-alpha02")
-    androidTestImplementation("androidx.test:runner:1.3.1-alpha02")
-    // Espresso-contrib for DatePicker, RecyclerView, Drawer actions, Accessibility checks, CountingIdlingResource
-    androidTestImplementation("androidx.test.espresso:espresso-contrib:3.4.0-alpha02")
-    // Espresso-intents for validation and stubbing of Intents
-    androidTestImplementation("androidx.test.espresso:espresso-intents:3.4.0-alpha02")
     implementation(fileTree(mapOf("include" to listOf("*.jar"), "dir" to "libs")))
 
     // Android Support
@@ -190,9 +183,6 @@ dependencies {
 
     implementation("androidx.core:core-ktx:1.8.0")
 
-    // implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.5.1")
-    // implementation("androidx.lifecycle:lifecycle-common-java8:2.5.1")
-    // implementation("androidx.lifecycle:lifecycle-runtime:2.5.1")
     implementation("androidx.lifecycle:lifecycle-extensions:2.2.0")
 
     // Network information
@@ -200,4 +190,23 @@ dependencies {
 
     // SQLDELIGHT
     implementation("com.squareup.sqldelight:android-driver:1.5.3")
+
+    //test
+    testImplementation("junit:junit:4.13.2")
+    testImplementation("io.mockk:mockk:1.12.0")
+    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0")
+}
+
+tasks.withType<Test> {
+    outputs.upToDateWhen { false }
+    useJUnit()
+    testLogging {
+        exceptionFormat = org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
+        events = setOf(
+            org.gradle.api.tasks.testing.logging.TestLogEvent.PASSED,
+            org.gradle.api.tasks.testing.logging.TestLogEvent.FAILED,
+            org.gradle.api.tasks.testing.logging.TestLogEvent.STANDARD_ERROR
+        )
+        showStandardStreams = true
+    }
 }

androidApp/proguard-rules.pro

@@ -90,3 +90,5 @@
 # @Serializable and @Polymorphic are used at runtime for polymorphic serialization.
 -keepattributes RuntimeVisibleAnnotations,AnnotationDefault
 
+-dontwarn io.mockk.**
+-keep class io.mockk.** { *; }