chore: typo in prompt (#35059)

Author: yury-s

packages/playwright/src/prompt.ts

@@ -41,7 +41,7 @@ export async function attachErrorPrompts(testInfo: TestInfo, sourceCache: Map<st
       '',
       `- Following Playwright test failed.`,
       `- Explain why, be concise, respect Playwright best practices.`,
-      `- Provide a snippet of code with the fix is possible.`,
+      `- Provide a snippet of code with the fix, if possible.`,
       '',
       `# Test info`,
       '',