tests: small fix for corner case condition

Author: tegefaulkes

src/QUICConnection.ts

@@ -699,7 +699,7 @@ class QUICConnection extends EventTarget {
         // The error details will be available as a local error.
         if (e.message !== 'TlsFail') {
           // No other exceptions are expected
-          utils.never();
+          never();
         }
       }
 

src/QUICStream.ts

@@ -319,9 +319,8 @@ class QUICStream
           this.readableController.close();
         }
       } catch (e) {
-        if (e.message === 'Done') {
-          never();
-        } else {
+        // Ignore if done, not normally meant to happen but possible in rare cases
+        if (e.message !== 'Done') {
           this.logger.debug(`Stream recv reported: error ${e.message}`);
           if (!this._recvClosed) {
             // Close stream in background