German Chancellor Olaf Scholz’s three-way coalition is facing its toughest test of unity since it came to power in 2021, as a budget dispute threatens to tear the government apart. A series of high-level meetings on Wednesday will determine whether the centre-left coalition of Scholz’s Social Democrats (SPD), the Greens and the liberal Free Democrats (FDP) have enough common ground to continue governing together until the next elections due in September 2025. Coming on top of numerous other disputes and tensions between coalition leaders, the budget problems have led to weeks of speculation th…