test: fix style issues after eslint update

Replace var keyword with const or let.

PR-URL: #2286
Reviewed-By: Roman Reiss <[email protected]>

Author: targos

test/common.js

@@ -437,7 +437,7 @@ exports.getServiceName = function getServiceName(port, protocol) {
     if (matches && matches.length > 1) {
       serviceName = matches[1];
     }
-  } catch(e) {
+  } catch (e) {
     console.error('Cannot read file: ', etcServicesFileName);
     return undefined;
   }

test/debugger/test-debugger-repl-break-in-module.js

@@ -20,8 +20,8 @@ repl.addTest('sb(")^$*+?}{|][(.js\\\\", 1)', [
 
 // continue - the breakpoint should be triggered
 repl.addTest('c', [
-    /break in .*[\\\/]mod\.js:23/,
-    /21/, /22/, /23/, /24/, /25/
+  /break in .*[\\\/]mod\.js:23/,
+  /21/, /22/, /23/, /24/, /25/
 ]);
 
 // -- RESTORE BREAKPOINT ON RESTART --