diff --git a/utils/build.ps1 b/utils/build.ps1
index bd548250cc314..f369224f09738 100644
--- a/utils/build.ps1
+++ b/utils/build.ps1
@@ -195,10 +195,11 @@ if ($AndroidSDKs.Length -gt 0) {
   $Android = $true
 }
 
-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.
 
@@ -1642,10 +1643,11 @@ function Build-SPMProject {
       }
       Test {
         $ActionName = "test"
+        $Arguments += @("-v")
       }
       TestParallel {
         $ActionName = "test"
-        $Arguments += @("--parallel")
+        $Arguments += @("--parallel", "-v")
       }
     }
 
@@ -2584,8 +2586,7 @@ function Test-Foundation {
       -Src $SourceCache\swift-corelibs-foundation `
       -Bin "$BinaryCache\$($BuildPlatform.Triple)\FoundationTests" `
       -Platform $BuildPlatform `
-      -Configuration $FoundationTestConfiguration `
-      -j 1
+      -Configuration $FoundationTestConfiguration
   }
 }