update runners

Author: anutosh491

.github/workflows/main.yml

@@ -11,7 +11,7 @@ on:
 jobs:
   emscripten_wasm:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     strategy:
       fail-fast: false

test/xmock_interpreter.cpp

@@ -20,6 +20,12 @@ namespace nl = nlohmann;
 namespace xeus
 {
 
+    xmock_interpreter::xmock_interpreter(const std::vector<std::string>& /*args*/)
+        : xinterpreter()
+    {
+        // Arguments intentionally ignored in mock interpreter
+    }
+
     void xmock_interpreter::configure_impl()
     {
         auto handle_comm_opened = [](xeus::xcomm&& comm, const xeus::xmessage&) {

test/xmock_interpreter.hpp

@@ -18,7 +18,7 @@ namespace xeus
 
     public:
 
-        xmock_interpreter() = default;
+        xmock_interpreter(const std::vector<std::string>& args);
         virtual ~xmock_interpreter() = default;