Add function to reset the database

EconDataLens.Tests/DbReset.cs

@@ -0,0 +1,17 @@
+using EconDataLens.Data;
+using Microsoft.EntityFrameworkCore;
+
+[SetUpFixture]
+public class DbReset
+{
+    public static async Task RecreateDatabaseAsync(string connectionString)
+    {
+        var options = new DbContextOptionsBuilder<EconDataLensDbContext>()
+        .UseNpgsql(connectionString)
+        .Options;
+
+        await using var ctx = new EconDataLensDbContext(options);
+        await ctx.Database.EnsureDeletedAsync();
+        await ctx.Database.MigrateAsync();
+    }
+}

EconDataLens.Tests/Smoke/DbSmokeTest.cs

@@ -1,4 +1,4 @@
-using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
 using EconDataLens.Core.Entities.Cpi;
 using EconDataLens.Data;
 
@@ -8,11 +8,14 @@ public class DbSmokeTests
 {
     private static EconDataLensDbContext CreateDb()
     {
+        var connectionString = PostgresFixture.ConnectionString;
         var opts = new DbContextOptionsBuilder<EconDataLensDbContext>()
-            .UseNpgsql(PostgresFixture.ConnectionString)
+            .UseNpgsql(connectionString)
             .UseSnakeCaseNamingConvention()
             .Options;
 
+        DbReset.RecreateDatabaseAsync(connectionString).GetAwaiter().GetResult();
+
         return new EconDataLensDbContext(opts);
     }
 
@@ -33,4 +36,4 @@ public async Task Can_Migrate_And_Do_Basic_CRUD()
         db.CpiArea.RemoveRange(db.CpiArea.Where(a => a.AreaCode == "ZZZ0"));
         await db.SaveChangesAsync();
     }
-}
+}