test: Added swap ERC20->ETH test case (#9734)

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## **Description**

We are adding 1 test case to the smoke test automation that covers
ERC20->ETH swap. Having only ETH->ERC20 poses the risk that we might
miss bugs like this one
#9677

## **Related issues**

## **Manual testing steps**

Run `yarn test:e2e:android:debug:run
e2e/specs/swaps/swap-action-smoke.spec.js`

## **Screenshots/Recordings**

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before and after of your change. -->

### **Before**

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### **After**

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e2e/specs/swaps/swap-action-smoke.spec.js

@@ -49,6 +49,7 @@ describe(SmokeSwaps('Swap from Actions'), () => {
   it.each`
     quantity | sourceTokenSymbol | destTokenSymbol
     ${'.05'} | ${'ETH'}          | ${'USDT'}
+    ${'100'} | ${'USDT'}         | ${'ETH'}
   `(
     "should Swap $quantity '$sourceTokenSymbol' to '$destTokenSymbol'",
     async ({ quantity, sourceTokenSymbol, destTokenSymbol }) => {