Fix tests

tests/cli/mocks/rates-service.ts

@@ -0,0 +1,23 @@
+import { BaseRates } from "../../../src/utils/rates/base-rates";
+
+export class MockRatesService extends BaseRates {
+  constructor() {
+    super();
+  }
+
+  async getRate(numeratorUnitCode: string, denominatorUnitCode: string): Promise<number> {
+    return 1;
+  }
+
+  async start(): Promise<void> {
+    return;
+  }
+
+  async stop(): Promise<void> {
+    return;
+  }
+
+  async listPairs(): Promise<Set<string>> {
+    return new Set();
+  }
+}