Ignore CommunalBackupUtilsTest#read_fileNotFoundException

This test case is flaky for an unknown reason. Ignore it for now.

Bug: 336561027
Test: n/a
Flag: n/a
Change-Id: Iaadfc146cec6c8ed9f2ab3fe8087dd72fba30cab
diff --git a/packages/SystemUI/tests/src/com/android/systemui/communal/data/backup/CommunalBackupUtilsTest.kt b/packages/SystemUI/tests/src/com/android/systemui/communal/data/backup/CommunalBackupUtilsTest.kt
index c3849f9..bed05ee 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/communal/data/backup/CommunalBackupUtilsTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/communal/data/backup/CommunalBackupUtilsTest.kt
@@ -30,6 +30,7 @@
 import java.nio.charset.Charset
 import org.junit.After
 import org.junit.Before
+import org.junit.Ignore
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -101,6 +102,7 @@
         assertThat(dataRead).isEqualTo(newDataToWrite)
     }
 
+    @Ignore("Ignored until we figure out why it is flaky b/336561027")
     @Test(expected = FileNotFoundException::class)
     fun read_fileNotFoundException() {
         underTest.readBytesFromDisk()