fix jslint warnings

js/common/modules/jsunity.js

@@ -145,7 +145,7 @@ function Run (testsuite) {
   if (tests.length === 0) {
     let err  = `There is no test in testsuite "${suite.suiteName}" or your filter "${testFilter}" didn't match on anything`;
     print(`${internal.COLORS.COLOR_RED}${err}${internal.COLORS.COLOR_RESET}`);
-    res = {
+    let res = {
       suiteName: suite.suiteName,
       message: err,
       duration: 0,

js/common/tests/aql/aql-view-arangosearch-ddl-cluster.js

@@ -118,7 +118,7 @@ function IResearchFeatureDDLTestSuite () {
       db._create("TestCollection0");
       var addLink = { links: { "TestCollection0": {} } };
       view.properties(addLink, true); // partial update
-      properties = view.properties();
+      let properties = view.properties();
       assertTrue(Array === properties.collections.constructor);
       assertEqual(1, properties.collections.length);
       db._drop("TestCollection0");