Improve slightly ExecutionPolicy tests

tests/test_ExecutionPolicy.cpp

@@ -29,4 +29,14 @@ TEST_CASE("ExecutionPolicy", "[language]")
     REQUIRE(exec_policy.exec() == false);
     REQUIRE(exec_policy.jumpType() == ExecutionPolicy::JumpType::continue_jump);
   }
+
+  SECTION("context")
+  {
+    ExecutionPolicy::Context::SharedValues shared_values;
+
+    exec_policy = ExecutionPolicy{ExecutionPolicy{}, ExecutionPolicy::Context{1, shared_values}};
+
+    REQUIRE(exec_policy.contextOfId(1).id() == 1);
+    REQUIRE_THROWS_WITH(exec_policy.contextOfId(2).id(), std::string{"unable to find context"});
+  }
 }