Add test dependency

Author: minibugdev

build.gradle

@@ -1,5 +1,10 @@
 buildscript {
     ext.kotlin_version = '1.1.51'
+    ext.jUnit_version = '4.12'
+    ext.mockito_version = '1.5.0'
+    ext.spek_version = '1.1.4'
+    ext.spek_junit_runner_version = '1.0.0-RC3'
+    ext.support_library_version = '26.0.0-alpha1'
 
     repositories {
         jcenter()

library/build.gradle

@@ -22,12 +22,22 @@ android {
     }
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
+        test.java.srcDirs += 'src/test/kotlin'
     }
 }
 
 dependencies {
-    compile 'com.android.support:appcompat-v7:26.0.0-alpha1'
+    compile "com.android.support:appcompat-v7:$support_library_version"
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+    testCompile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version"
+    testCompile "junit:junit:$jUnit_version"
+    testCompile "com.nhaarman:mockito-kotlin-kt1.1:$mockito_version"
+    testCompile "org.jetbrains.spek:spek-api:$spek_version"
+    testCompile "org.jetbrains.spek:spek-subject-extension:$spek_version"
+    testCompile "org.jetbrains.spek:spek-junit-platform-engine:$spek_version"
+    testCompile "org.junit.platform:junit-platform-runner:$spek_junit_runner_version"
 }
 
 // build a jar with source files