pipeline: Include steps to test using SwiftBuild build system

Author: bkhouri

.github/workflows/pull_request.yml

@@ -10,15 +10,27 @@ concurrency:
 
 jobs:
   tests:
-    name: Test
+    name: Test (Native)
     uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
     with:
       linux_os_versions: '["amazonlinux2", "bookworm", "noble", "jammy", "rhel-ubi9"]'
       linux_pre_build_command: ./.github/scripts/linux_pre_build.sh
-      linux_build_command: 'swift test --no-parallel'
+      linux_build_command: 'swift test --no-parallel --build-system native'
       linux_swift_versions: '["nightly-main", "nightly-6.2"]'
       windows_swift_versions: '["nightly-main"]'
-      windows_build_command: 'Invoke-Program swift test --no-parallel'
+      windows_build_command: 'Invoke-Program swift test --no-parallel  --build-system native'
+      enable_linux_static_sdk_build: true
+      linux_static_sdk_build_command: SWIFTBUILD_STATIC_LINK=1 LLBUILD_STATIC_LINK=1 swift build
+  tests-swift-build:
+    name: Test (Swift Build)
+    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
+    with:
+      linux_os_versions: '["amazonlinux2", "bookworm", "noble", "jammy", "rhel-ubi9"]'
+      linux_pre_build_command: ./.github/scripts/linux_pre_build.sh
+      linux_build_command: 'swift test --no-parallel --build-system swiftbuild'
+      linux_swift_versions: '["nightly-main",]'
+      windows_swift_versions: '["nightly-main"]'
+      windows_build_command: 'Invoke-Program swift test --no-parallel  --build-system swiftbuild'
       enable_linux_static_sdk_build: true
       linux_static_sdk_build_command: SWIFTBUILD_STATIC_LINK=1 LLBUILD_STATIC_LINK=1 swift build
   cmake-smoke-test: