Crypto provider test fixes

tests/integration/dav_client.rs

@@ -21,6 +21,7 @@ pub struct DavSeed {
 
 impl DavSeed {
     pub fn new(base: impl Into<String>, user: &str, password: &str) -> Self {
+        super::install_crypto_provider();
         let agent = ureq::Agent::config_builder()
             .http_status_as_error(false)
             .allow_non_standard_methods(true)

tests/integration/mod.rs

@@ -22,6 +22,16 @@ pub mod webdav;
 
 pub use error::{ContainerError, ContainerResult};
 
+use std::sync::Once;
+
+static CRYPTO_INIT: Once = Once::new();
+
+pub fn install_crypto_provider() {
+    CRYPTO_INIT.call_once(|| {
+        let _ = rustls::crypto::aws_lc_rs::default_provider().install_default();
+    });
+}
+
 #[derive(Debug, Clone)]
 pub struct Endpoint {
     pub host: String,