test(widget): pin JVM default timezone in DootWidgetGridTest for determinism

1 files changed, 16 insertions, 0 deletions

diff --git a/android/app/src/test/java/org/terst/doot/widget/ui/DootWidgetGridTest.kt b/android/app/src/test/java/org/terst/doot/widget/ui/DootWidgetGridTest.kt
index b3d8384..e3d76b1 100644
--- a/android/app/src/test/java/org/terst/doot/widget/ui/DootWidgetGridTest.kt
+++ b/android/app/src/test/java/org/terst/doot/widget/ui/DootWidgetGridTest.kt
@@ -1,11 +1,27 @@
 package org.terst.doot.widget.ui
 
 import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.After
 import org.junit.Test
 import org.terst.doot.widget.data.WidgetItem
+import java.util.TimeZone
 
 class DootWidgetGridTest {
 
+    private lateinit var originalTimeZone: TimeZone
+
+    @Before
+    fun setUp() {
+        originalTimeZone = TimeZone.getDefault()
+        TimeZone.setDefault(TimeZone.getTimeZone("UTC"))
+    }
+
+    @After
+    fun tearDown() {
+        TimeZone.setDefault(originalTimeZone)
+    }
+
     private fun tomorrowEvent(startIso: String, endIso: String): WidgetItem = WidgetItem(
         id = "tmrw", title = "Tomorrow Event", source = "calendar", type = "event",
         start = startIso, end = endIso