tests: add TEMPORARY workaround for incompatible heartwood change

This needs to be removed once the native CI adapter can depend on a
newer heartwood, but for now, this allows tests to pass.

Signed-off-by: Lars Wirzenius <liw@liw.fi>

tests/integration.rs

@@ -469,6 +469,18 @@ impl Rad {
 
     fn auth(&self) -> Result<(), std::io::Error> {
         self._rad(&["auth", "--alias=test-node"], &self.home)?;
+
+        // FIXME: this is a temporary workaround for rad on the system
+        // using a newer heartwood than what radicle-native-ci is
+        // using, and there being a config entry that has changed.
+        // This hack should be removed once the native CI adapter is
+        // using a newer heartwood.
+        let filename = self.home.join("config.json");
+        let config = std::fs::read(&filename).unwrap();
+        let config = String::from_utf8_lossy(&config);
+        let config = config.replace(r#""relay": "auto","#, r#""relay": false,"#);
+        std::fs::write(&filename, config.as_bytes()).unwrap();
+
         Ok(())
     }