Migrate emojiStore to use request.CTX instead of context.Context (#24514)

* migrate emojistore to request.ctx

* use mlog.CreateConsoleTestLogger

* Add comment to WithMaster and RequestContextWithMaster

server/channels/store/localcachelayer/reaction_layer_test.go

@@ -22,7 +22,7 @@ func TestReactionStoreCache(t *testing.T) {
 	fakeReaction := model.Reaction{PostId: "123"}
 
 	t.Run("first call not cached, second cached and returning same data", func(t *testing.T) {
-		mockStore := getMockStore()
+		mockStore := getMockStore(t)
 		mockCacheProvider := getMockCacheProvider()
 		cachedStore, err := NewLocalCacheLayer(mockStore, nil, nil, mockCacheProvider)
 		require.NoError(t, err)
@@ -37,7 +37,7 @@ func TestReactionStoreCache(t *testing.T) {
 	})
 
 	t.Run("first call not cached, second force not cached", func(t *testing.T) {
-		mockStore := getMockStore()
+		mockStore := getMockStore(t)
 		mockCacheProvider := getMockCacheProvider()
 		cachedStore, err := NewLocalCacheLayer(mockStore, nil, nil, mockCacheProvider)
 		require.NoError(t, err)
@@ -49,7 +49,7 @@ func TestReactionStoreCache(t *testing.T) {
 	})
 
 	t.Run("first call not cached, save, and then not cached again", func(t *testing.T) {
-		mockStore := getMockStore()
+		mockStore := getMockStore(t)
 		mockCacheProvider := getMockCacheProvider()
 		cachedStore, err := NewLocalCacheLayer(mockStore, nil, nil, mockCacheProvider)
 		require.NoError(t, err)
@@ -62,7 +62,7 @@ func TestReactionStoreCache(t *testing.T) {
 	})
 
 	t.Run("first call not cached, delete, and then not cached again", func(t *testing.T) {
-		mockStore := getMockStore()
+		mockStore := getMockStore(t)
 		mockCacheProvider := getMockCacheProvider()
 		cachedStore, err := NewLocalCacheLayer(mockStore, nil, nil, mockCacheProvider)
 		require.NoError(t, err)