Eslint formatting updates (#4234)

* Eslint updated (newline-after-var)

* Fix newline-after-var

* Eslint updated (one-var-declaration-per-line)

* Fix one-var-declaration-per-line

* Fix additional errors

* Lint after merge

js/src/api/subscriptions/eth.spec.js

@@ -34,6 +34,7 @@ function stubApi (blockNumber) {
     eth: {
       blockNumber: () => {
         const stub = sinon.stub().resolves(new BigNumber(blockNumber || START_BLOCK))();
+
         _calls.blockNumber.push(stub);
         return stub;
       }

js/src/api/subscriptions/personal.spec.js

@@ -36,6 +36,7 @@ function stubApi (accounts, info) {
     parity: {
       allAccountsInfo: () => {
         const stub = sinon.stub().resolves(info || TEST_INFO)();
+
         _calls.allAccountsInfo.push(stub);
         return stub;
       }
@@ -43,6 +44,7 @@ function stubApi (accounts, info) {
     eth: {
       accounts: () => {
         const stub = sinon.stub().resolves(accounts || TEST_LIST)();
+
         _calls.listAccounts.push(stub);
         return stub;
       }