diff --git a/utils/build.ps1 b/utils/build.ps1
index ad774decea198..80573f12835c3 100644
--- a/utils/build.ps1
+++ b/utils/build.ps1
@@ -199,10 +199,11 @@ if ($WindowsSDKArchitectures.Length -eq 1) { $WindowsSDKArchitectures = $Windows
 
 if ($Test.Length -eq 1) { $Test = $Test[0].Split(",") }
 
-if ($Test -contains "*") {
-  # Explicitly don't include llbuild yet since tests are known to fail on Windows
-  $Test = @("lld", "lldb", "swift", "dispatch", "foundation", "xctest", "swift-format", "sourcekit-lsp")
-}
+#if ($Test -contains "*") {
+#  # Explicitly don't include llbuild yet since tests are known to fail on Windows
+#  $Test = @("lld", "lldb", "swift", "dispatch", "foundation", "xctest", "swift-format", "sourcekit-lsp")
+#}
+$Test = @("foundation")
 
 ## Declare static build and build tool parameters.
 
@@ -1802,10 +1803,11 @@ function Build-SPMProject {
       }
       Test {
         $ActionName = "test"
+        $Arguments += @("-v")
       }
       TestParallel {
         $ActionName = "test"
-        $Arguments += @("--parallel")
+        $Arguments += @("--parallel", "-v")
       }
     }
 
@@ -2850,6 +2852,7 @@ function Test-Foundation {
     -Src $SourceCache\swift-foundation `
     -Bin "$ScratchPath" `
     -Platform $BuildPlatform `
+    -Configuration $FoundationTestConfiguration `
     --multiroot-data-file "$SourceCache\swift\utils\build_swift\resources\SwiftPM-Unified-Build.xcworkspace" `
     --test-product swift-foundationPackageTests
 
@@ -2865,6 +2868,7 @@ function Test-Foundation {
       -Src $SourceCache\swift-corelibs-foundation `
       -Bin "$ScratchPath" `
       -Platform $BuildPlatform `
+      -Configuration $FoundationTestConfiguration `
       --multiroot-data-file "$SourceCache\swift\utils\build_swift\resources\SwiftPM-Unified-Build.xcworkspace" `
       --test-product swift-corelibs-foundationPackageTests
   }