fix(test): stop Redis fixture aborting on first connection attempt

src/Redis/test/Eventuous.Tests.Redis/Fixtures/IntegrationFixture.cs

@@ -37,7 +37,9 @@ public async Task InitializeAsync() {
         IDatabase GetDb() {
             // FLUSHDB in test teardown is an admin command; StackExchange.Redis 3.x enforces the
             // admin gate for raw commands issued through Execute as well.
-            var muxer = ConnectionMultiplexer.Connect($"{connString},allowAdmin=true");
+            // abortConnect=false keeps the multiplexer retrying when the first connection attempt
+            // races the freshly started container.
+            var muxer = ConnectionMultiplexer.Connect($"{connString},allowAdmin=true,abortConnect=false");
 
             return muxer.GetDatabase();
         }