drop/fix failing tests with 8.0

Author: atakavci

tests/NRedisStack.Tests/Search/SearchTests.cs

@@ -1417,7 +1417,7 @@ public async Task TestDropIndexAsync(string endpointId)
         }
         catch (RedisServerException ex)
         {
-            Assert.Contains("no such index", ex.Message);
+            Assert.Contains("no such index", ex.Message, StringComparison.OrdinalIgnoreCase);
         }
         Assert.Equal("100", db.Execute("DBSIZE").ToString());
     }

tests/NRedisStack.Tests/TimeSeries/TestDataTypes/TestTimeSeriesInformation.cs

@@ -27,14 +27,12 @@ public void TestInformationSync()
             TimeSeriesInformation info = ts.Info(key);
             TimeSeriesInformation infoDebug = ts.Info(key, debug: true);
 
-            Assert.Equal(4184, info.MemoryUsage);
             Assert.Equal(0, info.RetentionTime);
             Assert.Equal(1, info.ChunkCount);
             Assert.Null(info.DuplicatePolicy);
             Assert.Null(info.KeySelfName);
             Assert.Null(info.Chunks);
 
-            Assert.Equal(4184, infoDebug.MemoryUsage);
             Assert.Equal(0, infoDebug.RetentionTime);
             Assert.Equal(1, infoDebug.ChunkCount);
             Assert.Null(infoDebug.DuplicatePolicy);
@@ -55,14 +53,12 @@ public async Task TestInformationAsync()
             TimeSeriesInformation info = await ts.InfoAsync(key);
             TimeSeriesInformation infoDebug = await ts.InfoAsync(key, debug: true);
 
-            Assert.Equal(4184, info.MemoryUsage);
             Assert.Equal(0, info.RetentionTime);
             Assert.Equal(1, info.ChunkCount);
             Assert.Null(info.DuplicatePolicy);
             Assert.Null(info.KeySelfName);
             Assert.Null(info.Chunks);
 
-            Assert.Equal(4184, infoDebug.MemoryUsage);
             Assert.Equal(0, infoDebug.RetentionTime);
             Assert.Equal(1, infoDebug.ChunkCount);
             Assert.Null(infoDebug.DuplicatePolicy);