Set displayFiat to true by default in store

Fix unit tests to handle default fiat display

Author: tanx

src/store.js

@@ -68,7 +68,7 @@ export class Store {
       settings: {
         unit: DEFAULT_UNIT,
         fiat: DEFAULT_FIAT,
-        displayFiat: false,
+        displayFiat: true,
         exchangeRate: {},
       },
     });

test/unit/computed/wallet.spec.js

@@ -12,10 +12,10 @@ describe('Computed Wallet Unit Tests', () => {
     it('should work with initial store', () => {
       ComputedWallet(store);
       expect(store.walletAddressUri, 'to equal', '');
-      expect(store.depositLabel, 'to equal', '0');
-      expect(store.channelBalanceLabel, 'to equal', '0');
-      expect(store.unitFiatLabel, 'to equal', 'BTC');
-      expect(store.unitLabel, 'to equal', 'BTC');
+      expect(store.depositLabel, 'to match', /0[,.]00/);
+      expect(store.channelBalanceLabel, 'to match', /0[,.]00/);
+      expect(store.unitFiatLabel, 'to equal', '$');
+      expect(store.unitLabel, 'to equal', null);
     });
 
     it('should generate valid wallet address uri', () => {

test/unit/store.spec.js

@@ -9,9 +9,9 @@ describe('Store Unit Tests', () => {
 
   describe('init()', () => {
     it('should set computed vales', () => {
-      expect(store.unitLabel, 'to be', undefined);
+      expect(store.unitFiatLabel, 'to be', undefined);
       store.init();
-      expect(store.unitLabel, 'to equal', 'BTC');
+      expect(store.unitFiatLabel, 'to equal', '$');
     });
   });
 });