Test code refactoring. Minor CI change.

JSMR.Tests/Ingestion/IngestionTestsBase.cs

@@ -0,0 +1,15 @@
+using JSMR.Infrastructure.Data;
+using JSMR.Tests.Fixtures;
+
+namespace JSMR.Tests.Ingestion;
+
+public abstract class IngestionTestsBase(MariaDbContainerFixture container)
+{
+    protected async Task<AppDbContext> GetAppDbContextAsync()
+    {
+        return await MariaDbClone.CloneFromTemplateAsync(
+            container.RootConnectionString,
+            container.TemplateDbName,
+            seed: VoiceWorkIngestionSeedData.SeedAsync);
+    }
+}