diff --git a/MobileAuthApp/app/build.gradle b/MobileAuthApp/app/build.gradle
index a65bc6e..9a0b3dc 100644
--- a/MobileAuthApp/app/build.gradle
+++ b/MobileAuthApp/app/build.gradle
@@ -44,7 +44,9 @@ dependencies {
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     testImplementation 'junit:junit:4.+'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test:rules:1.2.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+    debugImplementation 'androidx.fragment:fragment-testing:1.4.0'
 
     //To use activityViewModels
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
diff --git a/MobileAuthApp/app/src/androidTest/java/com/tarkvaraprojekt/mobileauthapp/UC4Test.kt b/MobileAuthApp/app/src/androidTest/java/com/tarkvaraprojekt/mobileauthapp/UC4Test.kt
new file mode 100644
index 0000000..c41ab64
--- /dev/null
+++ b/MobileAuthApp/app/src/androidTest/java/com/tarkvaraprojekt/mobileauthapp/UC4Test.kt
@@ -0,0 +1,50 @@
+package com.tarkvaraprojekt.mobileauthapp
+
+import androidx.fragment.app.testing.launchFragmentInContainer
+import androidx.lifecycle.Lifecycle
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.IdlingPolicies
+import androidx.test.espresso.action.ViewActions.*
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.espresso.matcher.RootMatchers.*
+import androidx.test.espresso.matcher.ViewMatchers.*
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.rule.ActivityTestRule
+import org.hamcrest.CoreMatchers.`is`
+import org.hamcrest.CoreMatchers.not
+import org.junit.Assert.*
+
+import org.junit.*
+import org.junit.runner.RunWith
+import java.util.concurrent.TimeUnit
+
+@RunWith(AndroidJUnit4::class)
+class UC4Test {
+    @get:Rule
+    var activityActivityTestRule: ActivityTestRule<MainActivity> = ActivityTestRule(
+        MainActivity::class.java
+    )
+
+    @Before
+    fun setUp() {
+        IdlingPolicies.setMasterPolicyTimeout(1, TimeUnit.SECONDS)
+        IdlingPolicies.setIdlingResourceTimeout(1, TimeUnit.SECONDS)
+        activityActivityTestRule.activity
+            .supportFragmentManager.beginTransaction()
+    }
+
+    @After
+    fun tearDown() {
+    }
+
+    @Test
+    fun test() {
+        onView(withId(R.id.menu_settings_option)).perform(click())
+        onView(withId(R.id.can_menu_action)).perform(click())
+        onView(supportsInputMethods()).perform(typeText("123456"))
+        onView(withId(R.id.next_button)).perform(click())
+        onView(withText(R.string.can_status_saved)).inRoot(
+            withDecorView(not(`is`(activityActivityTestRule.activity.getWindow().getDecorView())))
+        ).check(matches(isDisplayed()))
+    }
+}
\ No newline at end of file