Add @After to guarantee DB was closed. (#1240)

* Add @After to guarantee DB was closed.

Change-Id: Ic29b7d12125853c71ddaef1a997ec123bb2dfc8b

* Fix spotless

- style

Co-authored-by: Simon Marquis <contact@simon-marquis.fr>

---------

Co-authored-by: Simon Marquis <contact@simon-marquis.fr>

core/database/src/androidTest/kotlin/com/google/samples/apps/nowinandroid/core/database/dao/NewsResourceDaoTest.kt

@@ -27,6 +27,7 @@ import com.google.samples.apps.nowinandroid.core.database.model.asExternalModel
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.test.runTest
 import kotlinx.datetime.Instant
+import org.junit.After
 import org.junit.Before
 import org.junit.Test
 import kotlin.test.assertEquals
@@ -48,6 +49,9 @@ class NewsResourceDaoTest {
         topicDao = db.topicDao()
     }
 
+    @After
+    fun closeDb() = db.close()
+
     @Test
     fun newsResourceDao_fetches_items_by_descending_publish_date() = runTest {
         val newsResourceEntities = listOf(