Remove example test classes and configuration

No need to keep these in and maintain them.

Issue: FP2P-258
Change-Id: Ic7f705bd3e442d7542e7d9795ccdd38946ceefb5
diff --git a/app/build.gradle b/app/build.gradle
index 19aedcf..7296ff3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,7 +9,6 @@
         targetSdkVersion 25
         versionCode 10101
         versionName "1.1.1"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
         release {
@@ -52,9 +51,5 @@
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
-        exclude group: 'com.android.support', module: 'support-annotations'
-    })
     implementation 'com.android.support:appcompat-v7:25.4.0'
-    testImplementation 'junit:junit:4.12'
 }
diff --git a/app/src/androidTest/java/com/fairphone/moduledetect/ExampleInstrumentedTest.java b/app/src/androidTest/java/com/fairphone/moduledetect/ExampleInstrumentedTest.java
deleted file mode 100644
index 081b7ad..0000000
--- a/app/src/androidTest/java/com/fairphone/moduledetect/ExampleInstrumentedTest.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package com.fairphone.moduledetect;
-
-import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import static org.junit.Assert.*;
-
-/**
- * Instrumentation test, which will execute on an Android device.
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-@RunWith(AndroidJUnit4.class)
-public class ExampleInstrumentedTest {
-    @Test
-    public void useAppContext() throws Exception {
-        // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getTargetContext();
-
-        assertEquals("com.fairphone.moduledetect", appContext.getPackageName());
-    }
-}
diff --git a/app/src/test/java/com/fairphone/moduledetect/ExampleUnitTest.java b/app/src/test/java/com/fairphone/moduledetect/ExampleUnitTest.java
deleted file mode 100644
index 3ddf6f9..0000000
--- a/app/src/test/java/com/fairphone/moduledetect/ExampleUnitTest.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package com.fairphone.moduledetect;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() throws Exception {
-        assertEquals(4, 2 + 2);
-    }
-}
\ No newline at end of file