Fix repeat rule tests

app/src/androidTest/java/org/tasks/repeats/RepeatRuleToStringTest.kt

@@ -4,11 +4,13 @@ import dagger.hilt.android.testing.HiltAndroidTest
 import dagger.hilt.android.testing.UninstallModules
 import org.junit.Assert.assertEquals
 import org.junit.Test
+import org.tasks.Freeze
 import org.tasks.TestUtilities.withTZ
 import org.tasks.analytics.Firebase
 import org.tasks.injection.InjectingTestCase
 import org.tasks.injection.ProductionModule
 import org.tasks.locale.Locale
+import org.tasks.time.DateTime
 import java.text.ParseException
 import java.util.*
 import javax.inject.Inject
@@ -80,6 +82,7 @@ class RepeatRuleToStringTest : InjectingTestCase() {
 
     @Test
     fun repeatUntilPositiveOffset() {
+        Freeze.freezeAt(DateTime(2021, 1, 4)) {
             withTZ(BERLIN) {
                 assertEquals(
                     "Repeats daily until February 23",
@@ -87,9 +90,11 @@ class RepeatRuleToStringTest : InjectingTestCase() {
                 )
             }
         }
+    }
 
     @Test
     fun repeatUntilNoOffset() {
+        Freeze.freezeAt(DateTime(2021, 1, 4)) {
             withTZ(LONDON) {
                 assertEquals(
                     "Repeats daily until February 23",
@@ -97,9 +102,11 @@ class RepeatRuleToStringTest : InjectingTestCase() {
                 )
             }
         }
+    }
 
     @Test
     fun repeatUntilNegativeOffset() {
+        Freeze.freezeAt(DateTime(2021, 1, 4)) {
             withTZ(NEW_YORK) {
                 assertEquals(
                     "Repeats daily until February 23",
@@ -107,6 +114,7 @@ class RepeatRuleToStringTest : InjectingTestCase() {
                 )
             }
         }
+    }
 
     private fun toString(rrule: String): String? {
         return toString(null, rrule)