Exclude deleted fixtures when retrieving fixtures for a given version of project

Deleted fixtures should not be retrieved when getting fixtures for a given version of project

Author: Nfactor26

src/Pixel.Persistence.Respository/TestFixtureRepository.cs

@@ -57,8 +57,8 @@ public async Task<TestFixture> FindByNameAsync(string projectId, string projectV
     /// <inheritdoc/>  
     public async Task<IEnumerable<TestFixture>> GetFixturesAsync(string projectId, string projectVersion, CancellationToken cancellationToken)
     {
-        var filter = Builders<TestFixture>.Filter.And(Builders<TestFixture>.Filter.Eq(x => x.ProjectId, projectId),
-            Builders<TestFixture>.Filter.Eq(x => x.ProjectVersion, projectVersion));
+        var filter = Builders<TestFixture>.Filter.Eq(x => x.ProjectId, projectId) & Builders<TestFixture>.Filter.Eq(x => x.ProjectVersion, projectVersion) &
+             Builders<TestFixture>.Filter.Eq(x => x.IsDeleted, false);
         var fixtures = await fixturesCollection.FindAsync(filter, FindOptions, cancellationToken);
         return await fixtures.ToListAsync();       
     }