Add more test domains. (#12898)

Taken from the `tls_sample_application` tests

Author: badeend

crates/test-programs/src/bin/p2_ip_name_lookup.rs

@@ -5,7 +5,13 @@ fn main() {
     // Valid domains
     resolve("localhost").unwrap();
 
-    resolve_at_least_one_of(&["example.com", "api.github.com"]);
+    resolve_at_least_one_of(&[
+        "example.com",
+        "api.github.com",
+        "docs.wasmtime.dev",
+        "bytecodealliance.org",
+        "www.rust-lang.org",
+    ]);
 
     // NB: this is an actual real resolution, so it might time out, might cause
     // issues, etc. This result is ignored to prevent flaky failures in CI.

crates/test-programs/src/bin/p3_sockets_ip_name_lookup.rs

@@ -1,4 +1,3 @@
-use futures::join;
 use test_programs::p3::wasi::sockets::ip_name_lookup::{ErrorCode, resolve_addresses};
 use test_programs::p3::wasi::sockets::types::IpAddress;
 
@@ -14,16 +13,33 @@ async fn resolve_one(name: &str) -> Result<IpAddress, ErrorCode> {
         .to_owned())
 }
 
+/// Attempts to resolve at least one of `domains`. Allows failure so long as one
+/// succeeds. Intended to help make this test less flaky while still also
+/// testing live services.
+async fn resolve_at_least_one_of(domains: &[&str]) {
+    for domain in domains {
+        match resolve_one(domain).await {
+            Ok(_) => return,
+            Err(e) => eprintln!("failed to resolve `{domain}`: {e}"),
+        }
+    }
+
+    panic!("should have been able to resolve at least one domain");
+}
+
 impl test_programs::p3::exports::wasi::cli::run::Guest for Component {
     async fn run() -> Result<(), ()> {
         // Valid domains
-        let (res0, res1) = join!(
-            resolve_addresses("localhost".into()),
-            resolve_addresses("example.com".into())
-        );
-        if res0.is_err() && res1.is_err() {
-            panic!("should have been able to resolve at least one domain");
-        }
+        resolve_one("localhost").await.unwrap();
+
+        resolve_at_least_one_of(&[
+            "example.com",
+            "api.github.com",
+            "docs.wasmtime.dev",
+            "bytecodealliance.org",
+            "www.rust-lang.org",
+        ])
+        .await;
 
         // NB: this is an actual real resolution, so it might time out, might cause
         // issues, etc. This result is ignored to prevent flaky failures in CI.