diff --git a/app/src/test/java/be/ugent/sel/studeez/timer_functional/FunctionalCustomTimerUnitTest.kt b/app/src/test/java/be/ugent/sel/studeez/timer_functional/FunctionalCustomTimerUnitTest.kt
index 24f9a3a..90c4fcd 100644
--- a/app/src/test/java/be/ugent/sel/studeez/timer_functional/FunctionalCustomTimerUnitTest.kt
+++ b/app/src/test/java/be/ugent/sel/studeez/timer_functional/FunctionalCustomTimerUnitTest.kt
@@ -3,12 +3,14 @@ package be.ugent.sel.studeez.timer_functional
 import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalCustomTimer
 import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimer
 import org.junit.Assert
+import org.junit.Test
 
 class FunctionalCustomTimerUnitTest : FunctionalTimerUnitTest() {
     override fun setTimer() {
         timer = FunctionalCustomTimer(time)
     }
 
+    @Test
     override fun testOneTick() {
         timer.tick()
         Assert.assertEquals(
@@ -17,6 +19,7 @@ class FunctionalCustomTimerUnitTest : FunctionalTimerUnitTest() {
         )
     }
 
+    @Test
     override fun multipleTicks() {
         val n = 10
         for (i in 1..n) {
@@ -28,6 +31,7 @@ class FunctionalCustomTimerUnitTest : FunctionalTimerUnitTest() {
         )
     }
 
+    @Test
     override fun testEnded() {
         timer = FunctionalCustomTimer(0)
         timer.tick()
diff --git a/app/src/test/java/be/ugent/sel/studeez/timer_functional/FunctionalEndlessTimerUnitTest.kt b/app/src/test/java/be/ugent/sel/studeez/timer_functional/FunctionalEndlessTimerUnitTest.kt
index 35eca7a..e0e98af 100644
--- a/app/src/test/java/be/ugent/sel/studeez/timer_functional/FunctionalEndlessTimerUnitTest.kt
+++ b/app/src/test/java/be/ugent/sel/studeez/timer_functional/FunctionalEndlessTimerUnitTest.kt
@@ -3,12 +3,14 @@ package be.ugent.sel.studeez.timer_functional
 import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalEndlessTimer
 import be.ugent.sel.studeez.data.local.models.timer_functional.FunctionalTimer
 import org.junit.Assert
+import org.junit.Test
 
 class FunctionalEndlessTimerUnitTest : FunctionalTimerUnitTest() {
     override fun setTimer() {
         timer = FunctionalEndlessTimer()
     }
 
+    @Test
     override fun testOneTick() {
         timer.tick()
         Assert.assertEquals(
@@ -17,6 +19,7 @@ class FunctionalEndlessTimerUnitTest : FunctionalTimerUnitTest() {
         )
     }
 
+    @Test
     override fun multipleTicks() {
         val n = 10
         for (i in 1..n) {
@@ -28,6 +31,7 @@ class FunctionalEndlessTimerUnitTest : FunctionalTimerUnitTest() {
         )
     }
 
+    @Test
     override fun testEnded() {
         val n = 1000
         for (i in 1..n) {
diff --git a/app/src/test/java/be/ugent/sel/studeez/timer_functional/FuntionalPomodoroTimerUnitTest.kt b/app/src/test/java/be/ugent/sel/studeez/timer_functional/FuntionalPomodoroTimerUnitTest.kt
index 32a3783..d8229a5 100644
--- a/app/src/test/java/be/ugent/sel/studeez/timer_functional/FuntionalPomodoroTimerUnitTest.kt
+++ b/app/src/test/java/be/ugent/sel/studeez/timer_functional/FuntionalPomodoroTimerUnitTest.kt
@@ -17,6 +17,7 @@ class FuntionalPomodoroTimerUnitTest : FunctionalTimerUnitTest() {
         pomodoroTimer = FunctionalPomodoroTimer(time, breakTime, breaks)
     }
 
+    @Test
     override fun testOneTick() {
         pomodoroTimer.tick()
         Assert.assertEquals(
@@ -34,6 +35,7 @@ class FuntionalPomodoroTimerUnitTest : FunctionalTimerUnitTest() {
         )
     }
 
+    @Test
     override fun multipleTicks() {
         val n = 10
         for (i in 1..n) {
@@ -45,6 +47,7 @@ class FuntionalPomodoroTimerUnitTest : FunctionalTimerUnitTest() {
         )
     }
 
+    @Test
     override fun testEnded() {
         pomodoroTimer = FunctionalPomodoroTimer(0, 0, 0)
         pomodoroTimer.tick()