Run tests on CI

scripts/default_dependencies.gradle

@@ -1,3 +1,4 @@
+apply plugin: "de.mannodermaus.android-junit5"
 apply from: "$rootProject.projectDir/scripts/detekt.gradle"
 apply from: "$rootProject.projectDir/scripts/dokka.gradle"
 
@@ -13,4 +14,6 @@ dependencies {
     testImplementation testLibraries.jUnitApi
     testImplementation testLibraries.mockk
     testImplementation testLibraries.kluent
+
+    testRuntimeOnly testLibraries.jUnitEngine
 }

scripts/sources.gradle

@@ -9,4 +9,8 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
 }