diff --git a/assets/test/defaultPackage/Package@swift-5.10.swift b/assets/test/defaultPackage/Package@swift-6.0.swift
similarity index 97%
rename from assets/test/defaultPackage/Package@swift-5.10.swift
rename to assets/test/defaultPackage/Package@swift-6.0.swift
index abad23952..6e1996c84 100644
--- a/assets/test/defaultPackage/Package@swift-5.10.swift
+++ b/assets/test/defaultPackage/Package@swift-6.0.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.10
+// swift-tools-version:6.0
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
diff --git a/assets/test/defaultPackage/Tests/PackageTests/PackageTests.swift b/assets/test/defaultPackage/Tests/PackageTests/PackageTests.swift
index c8b233d94..5b240108c 100644
--- a/assets/test/defaultPackage/Tests/PackageTests/PackageTests.swift
+++ b/assets/test/defaultPackage/Tests/PackageTests/PackageTests.swift
@@ -24,7 +24,7 @@ final class MixedXCTestSuite: XCTestCase {
   }
 }
 
-#if swift(>=5.10)
+#if swift(>=6.0)
 import Testing
 
 @Test func topLevelTestPassing() {}
diff --git a/test/suite/testexplorer/TestExplorerIntegration.test.ts b/test/suite/testexplorer/TestExplorerIntegration.test.ts
index 12495a53b..5b51bf6b1 100644
--- a/test/suite/testexplorer/TestExplorerIntegration.test.ts
+++ b/test/suite/testexplorer/TestExplorerIntegration.test.ts
@@ -62,6 +62,18 @@ suite("Test Explorer Suite", function () {
 
         const testItems = tests.map(test => {
             const testItem = getTestItem(controller, test);
+            if (!testItem) {
+                const testsInController: string[] = [];
+                controller.items.forEach(item => {
+                    testsInController.push(
+                        `${item.id}: ${item.label} ${item.error ? `(error: ${item.error})` : ""}`
+                    );
+                });
+
+                assert.fail(
+                    `Unable to find ${test} in Test Controller. Items in test controller are: ${testsInController.join(", ")}`
+                );
+            }
             assert.ok(testItem);
             return testItem;
         });