Fix eslint no-empty and clean tests

unrealengine.js

@@ -64,7 +64,9 @@ try {
           await page.waitForSelector('#h_captcha_challenge_login_prod iframe', { timeout: 15000 });
           console.error('Got a captcha during login (likely due to too many attempts)! You may solve it in the browser, get a new IP or try again in a few hours.');
           notify('unrealengine: got captcha during login. Please check.');
-        } catch {}
+        } catch (e) {
+          return;
+        }
       })();
       void (async () => {
         try {
@@ -73,7 +75,9 @@ try {
           const otp = cfg.eg_otpkey && authenticator.generate(cfg.eg_otpkey) || await prompt({ type: 'text', message: 'Enter two-factor sign in code', validate: n => n.toString().length == 6 || 'The code must be 6 digits!' }); // can't use type: 'number' since it strips away leading zeros and codes sometimes have them
           await page.locator('input[name="code-input-0"]').pressSequentially(otp.toString());
           await page.click('button[type="submit"]');
-        } catch {}
+        } catch (e) {
+          return;
+        }
       })();
     } else {
       console.log('Waiting for you to login in the browser.');
@@ -143,7 +147,9 @@ try {
         await page.locator('[name=accept-label]').check({ timeout: 10000 });
         console.log('Accept End User License Agreement');
         await page.locator('span:text-is("Accept")').click(); // otherwise matches 'Accept All Cookies'
-      } catch {}
+      } catch (e) {
+        return;
+      }
     })();
     await page.waitForSelector('#webPurchaseContainer iframe');
     const iframe = page.frameLocator('#webPurchaseContainer iframe');
@@ -164,7 +170,9 @@ try {
       try {
         await btnAgree.waitFor({ timeout: 10000 });
         await btnAgree.click();
-      } catch {}
+      } catch (e) {
+        return;
+      }
     })(); // EU: wait for and click 'I Agree'
     try {
       // context.setDefaultTimeout(100 * 1000); // give time to solve captcha, iframe goes blank after 60s?
@@ -173,7 +181,9 @@ try {
         try {
           await captcha.waitFor({ timeout: 10000 });
           console.error('  Got hcaptcha challenge! Lost trust due to too many login attempts? You can solve the captcha in the browser or get a new IP address.');
-        } catch {}
+        } catch (e) {
+          return;
+        }
       })(); // may time out if not shown
       await page.waitForSelector('text=Thank you');
       for (const id of ids) {