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/scheme_layer_test.go

@@ -22,7 +22,7 @@ func TestSchemeStoreCache(t *testing.T) {
 	fakeScheme := model.Scheme{Id: "123", Name: "scheme-name"}
 
 	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 TestSchemeStoreCache(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)
@@ -51,7 +51,7 @@ func TestSchemeStoreCache(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)
@@ -64,7 +64,7 @@ func TestSchemeStoreCache(t *testing.T) {
 	})
 
 	t.Run("first call not cached, permanent delete all, 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)