create test json file ro erc20 token list

testdata/erc20tokenlisttest.json

@@ -0,0 +1,34 @@
+{
+	"name": "CoinGecko",
+	"logoURI": "https://www.coingecko.com/assets/thumbnail-007177f3eca19695592f0b8b0eabbdae282b54154e1be912285c9034ea6cbaf2.png",
+	"keywords": [
+		"defi"
+	],
+	"timestamp": "2021-10-25T10:07:01.891+00:00",
+	"tokens": [
+		{
+			"chainId": 1,
+			"address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
+			"name": "Tether",
+			"symbol": "USDT",
+			"decimals": 6,
+			"logoURI": "https://assets.coingecko.com/coins/images/325/thumb/Tether-logo.png?1598003707"
+		},
+		        {
+            "chainId": 1,
+            "address": "0xeb4c2781e4eba804ce9a9803c67d0893436bb27d",
+            "name": "renBTC",
+            "symbol": "RENBTC",
+            "decimals": 8,
+            "logoURI": "https://assets.coingecko.com/coins/images/11370/thumb/Bitcoin.jpg?1628072791"
+        },
+		        {
+            "chainId": 1,
+            "address": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
+            "name": "Wrapped Bitcoin",
+            "symbol": "WBTC",
+            "decimals": 8,
+            "logoURI": "https://assets.coingecko.com/coins/images/7598/thumb/wrapped_bitcoin_wbtc.png?1548822744"
+        }
+	]
+}