utils: version testing frameworks

This adjusts the install location for the testing frameworks to be
versioned with the product version. These are somewhat closely tied to
the compiler, and it makes sense to tie them to the product version.

Author: compnerd

utils/build.ps1

@@ -2405,7 +2405,7 @@ function Build-XCTest([Platform]$Platform, $Arch) {
   Build-CMakeProject `
     -Src $SourceCache\swift-corelibs-xctest `
     -Bin $(Get-ProjectBinaryCache $Arch XCTest) `
-    -InstallTo "$([IO.Path]::Combine((Get-PlatformRoot $Platform), "Developer", "Library", "XCTest-development", "usr"))" `
+    -InstallTo "$([IO.Path]::Combine((Get-PlatformRoot $Platform), "Developer", "Library", "XCTest-$ProductVersion", "usr"))" `
     -Arch $Arch `
     -Platform $Platform `
     -UseBuiltCompilers Swift `
@@ -2449,7 +2449,7 @@ function Build-Testing([Platform]$Platform, $Arch) {
   Build-CMakeProject `
     -Src $SourceCache\swift-testing `
     -Bin (Get-ProjectBinaryCache $Arch Testing) `
-    -InstallTo "$([IO.Path]::Combine((Get-PlatformRoot $Platform), "Developer", "Library", "Testing-development", "usr"))" `
+    -InstallTo "$([IO.Path]::Combine((Get-PlatformRoot $Platform), "Developer", "Library", "Testing-$ProductVersion", "usr"))" `
     -Arch $Arch `
     -Platform $Platform `
     -UseBuiltCompilers C,CXX,Swift `
@@ -2469,8 +2469,8 @@ function Build-Testing([Platform]$Platform, $Arch) {
 function Write-PlatformInfoPlist([Platform] $Platform) {
   $Settings = @{
     DefaultProperties = @{
-      SWIFT_TESTING_VERSION = "development"
-      XCTEST_VERSION = "development"
+      SWIFT_TESTING_VERSION = "$ProductVersion"
+      XCTEST_VERSION = "$ProductVersion"
     }
   }
   if ($Platform -eq [Platform]::Windows) {