add get_scheduled_transactions test

src/tests/eosjs-jsonrpc.test.ts

@@ -341,6 +341,29 @@ describe('JSON RPC', () => {
         expect(fetch).toBeCalledWith(endpoint + expPath, expParams);
     });
 
+   it('calls get_scheduled_transactions', async() => {
+       const expPath = '/v1/chain/get_scheduled_transactions';
+       const json = true;
+       const lowerBound = '';
+       const limit = 50;
+       const expReturn = { data: '12345' };
+       const expParams = {
+           body: JSON.stringify({
+               json,
+               lower_bound: lowerBound,
+               limit,
+           }),
+           method: 'POST',
+       };
+
+       fetchMock.once(JSON.stringify(expReturn));
+
+       const response = await jsonRpc.get_scheduled_transactions();
+
+       expect(response).toEqual(expReturn);
+       expect(fetch).toBeCalledWith(endpoint + expPath, expParams);
+   });
+
     it('calls get_table_rows with all params', async () => {
         const expPath = '/v1/chain/get_table_rows';
         const json = false;