Fix: rollback unnecessary 'flow producer' change

Change-Id: I80c3c7132e87ba8d770f4eac9904671725b02265

core/testing/src/main/kotlin/com/google/samples/apps/nowinandroid/core/testing/repository/TestRecentSearchRepository.kt

@@ -19,16 +19,14 @@ package com.google.samples.apps.nowinandroid.core.testing.repository
 import com.google.samples.apps.nowinandroid.core.data.model.RecentSearchQuery
 import com.google.samples.apps.nowinandroid.core.data.repository.RecentSearchRepository
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.flowOf
 
 class TestRecentSearchRepository : RecentSearchRepository {
 
     private val cachedRecentSearches: MutableList<RecentSearchQuery> = mutableListOf()
 
     override fun getRecentSearchQueries(limit: Int): Flow<List<RecentSearchQuery>> =
-        flow {
-            emit(cachedRecentSearches.sortedByDescending { it.queriedDate }.take(limit))
-        }
+        flowOf(cachedRecentSearches.sortedByDescending { it.queriedDate }.take(limit))
 
     override suspend fun insertOrReplaceRecentSearch(searchQuery: String) {
         cachedRecentSearches.add(RecentSearchQuery(searchQuery))