diff --git a/src/utils/__tests__/__snapshots__/formatUtils.test.js.snap b/src/utils/__tests__/__snapshots__/formatUtils.test.js.snap
deleted file mode 100644
index 448a338a..00000000
--- a/src/utils/__tests__/__snapshots__/formatUtils.test.js.snap
+++ /dev/null
@@ -1,45 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`format utils btckb2satoshib 1`] = `0`;
-
-exports[`format utils btckb2satoshib 2`] = `100000`;
-
-exports[`format utils btckb2satoshib 3`] = `200000`;
-
-exports[`format utils btckb2satoshib 4`] = `10000000`;
-
-exports[`format utils btckb2satoshib 5`] = `99900000`;
-
-exports[`format utils formatAmount 1`] = `"0 btc"`;
-
-exports[`format utils formatAmount 2`] = `"10 mBTC"`;
-
-exports[`format utils formatAmount 3`] = `"0.000005 mBTC"`;
-
-exports[`format utils formatAmount 4`] = `"1e-8 eth"`;
-
-exports[`format utils formatAmount 5`] = `"0.00099999 tau"`;
-
-exports[`format utils formatTime 1`] = `"No time estimate"`;
-
-exports[`format utils formatTime 2`] = `"1 minutes"`;
-
-exports[`format utils formatTime 3`] = `"2 minutes"`;
-
-exports[`format utils formatTime 4`] = `"1 hour 40 minutes"`;
-
-exports[`format utils formatTime 5`] = `"16 hours 39 minutes"`;
-
-exports[`format utils formatTime 6`] = `"45 minutes"`;
-
-exports[`format utils hexToString 1`] = `"test"`;
-
-exports[`format utils hexToString 2`] = `"0001"`;
-
-exports[`format utils hexToString 3`] = `"test99999"`;
-
-exports[`format utils stringToHex 1`] = `"0074006500730074"`;
-
-exports[`format utils stringToHex 2`] = `"0030003000300031"`;
-
-exports[`format utils stringToHex 3`] = `"007400650073007400390039003900390039"`;
diff --git a/src/utils/__tests__/formatUtils.test.js b/src/utils/__tests__/formatUtils.test.js
index eb1d026d..2f9071d5 100644
--- a/src/utils/__tests__/formatUtils.test.js
+++ b/src/utils/__tests__/formatUtils.test.js
@@ -1,49 +1,40 @@
-import * as formatUtils from '../formatUtils';
+import * as utils from '../formatUtils';
 
 describe('format utils', () => {
     it('formatAmount', () => {
-        const input = [
-            { amount: 0, coinInfo: { isBitcoin: true, currencyUnits: 'mbtc', shortcut: 'btc' } },
-            { amount: 1000000, coinInfo: { isBitcoin: true, currencyUnits: 'mbtc', shortcut: 'btc' } },
-            { amount: 0.5, coinInfo: { isBitcoin: true, currencyUnits: 'mbtc', shortcut: 'btc' } },
-            { amount: 1, coinInfo: { isBitcoin: false, shortcut: 'eth' } },
-            { amount: 99999, coinInfo: { isBitcoin: false, shortcut: 'tau' } },
-        ];
-
-        input.forEach((entry) => {
-            expect(formatUtils.formatAmount(entry.amount, entry.coinInfo, entry.coinInfo.currencyUnits)).toMatchSnapshot();
-        });
+        expect(utils.formatAmount(0, { isBitcoin: true }, 'mbtc')).toMatchSnapshot('0 btc');
+        expect(utils.formatAmount(1000000, { isBitcoin: true }, 'mbtc')).toMatchSnapshot('10 mBTC');
+        expect(utils.formatAmount(0.5, { isBitcoin: true }, 'mbtc')).toMatchSnapshot('0.000005 mBTC');
+        expect(utils.formatAmount(1, { isBitcoin: false, shortcut: 'eth' }, null)).toMatchSnapshot('1e-8 eth');
+        expect(utils.formatAmount(99999, { isBitcoin: false, shortcut: 'tau' }, null)).toMatchSnapshot('0.00099999 tau');
     });
 
-    it('formatTime', () => {
-        const input = [0, 1, 2, 100, 999, 45];
-
-        input.forEach((entry) => {
-            expect(formatUtils.formatTime(entry)).toMatchSnapshot();
-        });
+    it('format time', () => {
+        expect(utils.formatTime(0)).toBe('No time estimate');
+        expect(utils.formatTime(1)).toBe('1 minutes'); // TODO: should be minute
+        expect(utils.formatTime(2)).toBe('2 minutes');
+        expect(utils.formatTime(45)).toBe('45 minutes');
+        expect(utils.formatTime(100)).toBe('1 hour 40 minutes');
+        expect(utils.formatTime(999)).toBe('16 hours 39 minutes');
     });
 
     it('btckb2satoshib', () => {
-        const input = [0, 1, 2, 100, 999];
-
-        input.forEach((entry) => {
-            expect(formatUtils.btckb2satoshib(entry)).toMatchSnapshot();
-        });
+        expect(utils.btckb2satoshib(0)).toBe(0);
+        expect(utils.btckb2satoshib(1)).toBe(100000);
+        expect(utils.btckb2satoshib(2)).toBe(200000);
+        expect(utils.btckb2satoshib(100)).toBe(10000000);
+        expect(utils.btckb2satoshib(999)).toBe(99900000);
     });
 
-    it('stringToHex', () => {
-        const input = ['test', '0001', 'test99999'];
-
-        input.forEach((entry) => {
-            expect(formatUtils.stringToHex(entry)).toMatchSnapshot();
-        });
+    it('string to hex', () => {
+        expect(utils.stringToHex('test')).toBe('0074006500730074');
+        expect(utils.stringToHex('0001')).toBe('0030003000300031');
+        expect(utils.stringToHex('test99999')).toBe('007400650073007400390039003900390039');
     });
 
-    it('hexToString', () => {
-        const input = ['0074006500730074', '0030003000300031', '007400650073007400390039003900390039'];
-
-        input.forEach((entry) => {
-            expect(formatUtils.hexToString(entry)).toMatchSnapshot();
-        });
+    it('hex to string', () => {
+        expect(utils.hexToString('0074006500730074')).toBe('test');
+        expect(utils.hexToString('0030003000300031')).toBe('0001');
+        expect(utils.hexToString('007400650073007400390039003900390039')).toBe('test99999');
     });
 });