chore: checkpoint before Python removal

vendor/cpufeatures/tests/x86.rs

@@ -0,0 +1,17 @@
+//! x86/x86_64 tests
+
+#![cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+
+cpufeatures::new!(cpuid, "aes", "sha");
+
+#[test]
+fn init() {
+    let token: cpuid::InitToken = cpuid::init();
+    assert_eq!(token.get(), cpuid::get());
+}
+
+#[test]
+fn init_get() {
+    let (token, val) = cpuid::init_get();
+    assert_eq!(val, token.get());
+}