diff --git a/.build.Nuke/Build.Test.cs b/.build.Nuke/Build.Test.cs
index 7ade196f7525997fb1736ee74c88f8aca1566245..937b3f6fdd851c4352ba3fed5224d566b1403d81 100644
--- a/.build.Nuke/Build.Test.cs
+++ b/.build.Nuke/Build.Test.cs
@@ -18,49 +18,50 @@ namespace SuCoS;
 /// </summary>
 sealed partial class Build : NukeBuild
 {
-    AbsolutePath TestDLL => testDirectory / "bin" / "Debug" / "net7.0";
     AbsolutePath testDirectory => RootDirectory / "test";
-    AbsolutePath TestSiteDirectory => RootDirectory / "test" / ".TestSites";
-    AbsolutePath TestOutputDirectory => TestDLL / ".TestSites";
+    AbsolutePath testDLLDirectory => testDirectory / "bin" / "Debug" / "net7.0";
+    AbsolutePath testSiteSourceDirectory => RootDirectory / "test" / ".TestSites";
+    AbsolutePath testSiteDestinationDirectory => testDLLDirectory / ".TestSites";
+    AbsolutePath testAssembly => testDLLDirectory / "test.dll";
     AbsolutePath coverageDirectory => RootDirectory / "coverage-results";
-    AbsolutePath ReportDirectory => coverageDirectory / "report";
-    AbsolutePath CoverageResultDirectory => coverageDirectory / "coverage";
-    AbsolutePath CoverageResultFile => CoverageResultDirectory / "coverage.xml";
-    AbsolutePath CoverageSummaryResultFile => ReportDirectory / "Summary.txt";
+    AbsolutePath coverageResultDirectory => coverageDirectory / "coverage";
+    AbsolutePath coverageResultFile => coverageResultDirectory / "coverage.xml";
+    AbsolutePath coverageReportDirectory => coverageDirectory / "report";
+    AbsolutePath coverageReportSummaryDirectory => coverageReportDirectory / "Summary.txt";
 
     Target PrepareTestFiles => _ => _
         .After(Clean)
         .Executes(() =>
         {
-            TestOutputDirectory.CreateOrCleanDirectory();
-            CopyDirectoryRecursively(TestSiteDirectory, TestOutputDirectory, DirectoryExistsPolicy.Merge);
+            testSiteDestinationDirectory.CreateOrCleanDirectory();
+            CopyDirectoryRecursively(testSiteSourceDirectory, testSiteDestinationDirectory, DirectoryExistsPolicy.Merge);
         });
 
     Target Test => _ => _
         .DependsOn(Compile, PrepareTestFiles)
         .Executes(() =>
         {
-            CoverageResultDirectory.CreateDirectory();
+            coverageResultDirectory.CreateDirectory();
             Coverlet(s => s
                 .SetTarget("dotnet")
                 .SetTargetArgs("test --no-build --no-restore")
-                .SetAssembly(TestDLL / "test.dll")
+                .SetAssembly(testAssembly)
                 // .SetThreshold(75)
-                .SetOutput(CoverageResultFile)
-                .SetFormat(CoverletOutputFormat.opencover));
+                .SetOutput(coverageResultFile)
+                .SetFormat(CoverletOutputFormat.cobertura));
         });
 
     public Target TestReport => _ => _
         .DependsOn(Test)
         .Executes(() =>
         {
-            ReportDirectory.CreateDirectory();
+            coverageReportDirectory.CreateDirectory();
             ReportGenerator(s => s
-                    .SetTargetDirectory(ReportDirectory)
+                    .SetTargetDirectory(coverageReportDirectory)
                     .SetReportTypes(new ReportTypes[] { ReportTypes.Html, ReportTypes.TextSummary })
-                    .SetReports(CoverageResultFile)
+                    .SetReports(coverageResultFile)
                     );
-            var summaryText = CoverageSummaryResultFile.ReadAllLines();
+            var summaryText = coverageReportSummaryDirectory.ReadAllLines();
             Log.Information(string.Join(Environment.NewLine, summaryText));
         });
 }
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f0ab1629c752814dff4a79ed97a5ad14b0b42532..6bd07c1cdd773c5673364247a5a60c7db63039d8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,9 +19,9 @@ variables:
   PUBLISH_SINGLE_FILE: "true"
   PUBLISH_TRIMMED: "false"
 
-cache:
-  paths:
-    - "**/.nuget/packages"
+# cache:
+#   paths:
+#     - "**/.nuget/packages"
 
 services:
   - docker:dind
@@ -38,11 +38,15 @@ test:
       ./build.sh TestReport Publish \
         --configuration "Debug" \
         --publish-directory "./publish"
-  coverage: '/^Line coverage: (\d+.\d+)%/'
+  coverage: '/^  Line coverage: (\d*.\d*)%/'
   artifacts:
     paths:
       - coverage-results/report/*
       - publish/*
+    reports:
+      coverage_report: 
+        coverage_format: cobertura
+        path: coverage-results/coverage/coverage.xml
 
 # check if there is new commits, if so, create a tag and a release
 # this will trigger the publish stage "publish"
diff --git a/test/Parser/YAMLParserTests.cs b/test/Parser/YAMLParserTests.cs
index 7a0250bec454108c6811c9feb8ccbb5171357004..06eb559c1d351481e78d30c8dca65f57e045e118 100644
--- a/test/Parser/YAMLParserTests.cs
+++ b/test/Parser/YAMLParserTests.cs
@@ -179,7 +179,7 @@ customParam: Custom Value
         site.Object.PostProcessFrontMatter(frontmatter!);
 
         // Asset
-        Assert.Equal(DateTime.Parse("2023-07-01"), frontmatter?.Date);
+        Assert.Equal(DateTime.Parse("2023-07-01", CultureInfo.InvariantCulture), frontmatter?.Date);
     }
 
     [Fact]