Malaysia’s oil-rich Sarawak state will dissolve its assembly on Monday in a test of political strength for a powerful regional coalition whose support has become crucial to Prime Minister Anwar Ibrahim’s government. Anwar is facing growing pressure following electoral setbacks for his own coalition in Peninsular Malaysia, while over in Borneo, ruling Gabungan Parti Sarawak (GPS) continues to press for greater autonomy and control over the state’s vast oil and gas resources. Sarawak Premier Abang...