diff --git a/GitHubActionsTestLogger.Tests/InitializationSpecs.cs b/GitHubActionsTestLogger.Tests/InitializationSpecs.cs
index dc5591d..9f5f05e 100644
--- a/GitHubActionsTestLogger.Tests/InitializationSpecs.cs
+++ b/GitHubActionsTestLogger.Tests/InitializationSpecs.cs
@@ -20,7 +20,22 @@ public void I_can_use_the_logger_with_the_default_configuration()
 
         // Assert
         logger.Context.Should().NotBeNull();
-        logger.Context?.Options.Should().Be(TestLoggerOptions.Default);
+        logger.Context?.Options.Should().BeEquivalentTo(TestLoggerOptions.Default);
+    }
+
+    [Fact]
+    public void I_can_use_the_logger_with_an_empty_configuration()
+    {
+        // Arrange
+        var logger = new TestLogger();
+        var events = new FakeTestLoggerEvents();
+
+        // Act
+        logger.Initialize(events, new Dictionary<string, string?>());
+
+        // Assert
+        logger.Context.Should().NotBeNull();
+        logger.Context?.Options.Should().BeEquivalentTo(TestLoggerOptions.Default);
     }
 
     [Fact]
@@ -35,7 +50,8 @@ public void I_can_use_the_logger_with_a_custom_configuration()
             ["annotations.titleFormat"] = "TitleFormat",
             ["annotations.messageFormat"] = "MessageFormat",
             ["summary.includePassedTests"] = "true",
-            ["summary.includeSkippedTests"] = "true"
+            ["summary.includeSkippedTests"] = "true",
+            ["summary.includeNotFoundTests"] = "true"
         };
 
         // Act
@@ -47,5 +63,6 @@ public void I_can_use_the_logger_with_a_custom_configuration()
         logger.Context?.Options.AnnotationMessageFormat.Should().Be("MessageFormat");
         logger.Context?.Options.SummaryIncludePassedTests.Should().BeTrue();
         logger.Context?.Options.SummaryIncludeSkippedTests.Should().BeTrue();
+        logger.Context?.Options.SummaryIncludeNotFoundTests.Should().BeTrue();
     }
 }
diff --git a/GitHubActionsTestLogger/TestLoggerOptions.cs b/GitHubActionsTestLogger/TestLoggerOptions.cs
index 2758afd..f2b4f79 100644
--- a/GitHubActionsTestLogger/TestLoggerOptions.cs
+++ b/GitHubActionsTestLogger/TestLoggerOptions.cs
@@ -37,6 +37,6 @@ public static TestLoggerOptions Resolve(IReadOnlyDictionary<string, string?> par
                 ?? Default.SummaryIncludeSkippedTests,
             SummaryIncludeNotFoundTests =
                 parameters.GetValueOrDefault("summary.includeNotFoundTests")?.Pipe(bool.Parse)
-                ?? Default.SummaryIncludeSkippedTests
+                ?? Default.SummaryIncludeNotFoundTests
         };
 }
diff --git a/GitHubActionsTestLogger/TestRunStatistics.cs b/GitHubActionsTestLogger/TestRunStatistics.cs
index 8c9fcd2..df408c1 100644
--- a/GitHubActionsTestLogger/TestRunStatistics.cs
+++ b/GitHubActionsTestLogger/TestRunStatistics.cs
@@ -11,23 +11,13 @@ internal record TestRunStatistics(
     TimeSpan OverallDuration
 )
 {
-    public TestOutcome OverallOutcome
-    {
-        get
+    public TestOutcome OverallOutcome { get; } =
+        true switch
         {
-            if (FailedTestCount > 0)
-                return TestOutcome.Failed;
-
-            if (PassedTestCount > 0)
-                return TestOutcome.Passed;
-
-            if (SkippedTestCount > 0)
-                return TestOutcome.Skipped;
-
-            if (TotalTestCount == 0)
-                return TestOutcome.NotFound;
-
-            return TestOutcome.None;
-        }
-    }
+            _ when FailedTestCount > 0 => TestOutcome.Failed,
+            _ when PassedTestCount > 0 => TestOutcome.Passed,
+            _ when SkippedTestCount > 0 => TestOutcome.Skipped,
+            _ when TotalTestCount == 0 => TestOutcome.NotFound,
+            _ => TestOutcome.None
+        };
 }