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/webhook_layer_test.go

@@ -22,7 +22,7 @@ func TestWebhookStoreCache(t *testing.T) {
 	fakeWebhook := model.IncomingWebhook{Id: "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)
@@ -38,7 +38,7 @@ func TestWebhookStoreCache(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)
@@ -50,7 +50,7 @@ func TestWebhookStoreCache(t *testing.T) {
 	})
 
 	t.Run("first call not cached, invalidate, 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)