Write playwright test

Author: palas

cardano-wasm/js-test/basic-test.spec.ts

@@ -0,0 +1,9 @@
+import { test, expect } from '@playwright/test';
+
+test('test output matches', async ({ page }) => {
+  await page.goto('http://localhost:8080');
+  await expect(page).toHaveTitle(/cardano-wasm test/);
+  await expect(page.locator('#finish-tag')).toHaveText("Finished test!");
+  await expect(page.locator('#test-output')).toHaveText('> "Api object:"> [object] {    objectType: cardano-api    newConwayTx: async function (...args)  }> "UnsignedTx object:"> [object] {    objectType: UnsignedTx    addTxInput: function(txId,txIx)    addSimpleTxOut: function(destAddr,lovelaceAmount)    setFee: function(lovelaceAmount)    estimateMinFee: function(protocolParams,numKeyWitnesses,numByronKeyWitnesses,totalRefScriptSize)    signWithPaymentKey: function(signingKey)  }> "Estimated fee:"> 164005> "SignedTx object:"> [object] {    objectType: SignedTx    alsoSignWithPaymentKey: function(signingKey)    txToCbor: function()  }> "Tx CBOR:"> "84a300d9010281825820be6efd42a3d7b9a00d09d77a5d41e55ceaf0bd093a8aa8a893ce70d9caafd97800018182581d6082935e44937e8b530f32ce672b5d600d0a286b4e8a52c6555f659b871a00989680021a000280a5a100d9010281825820adfc1c30385916da87db1ba3328f0690a57ebb2a6ac9f6f86b2d97f943adae005840a49259b5977aea523b46f01261fbff93e0899e8700319e11f5ab96b67eb628fca1a233ce2d50ee3227b591b84f27237d920d63974d65728362382f751c4d9400f5f6"');
+});
+