Replace assert.deepEqual() by assert.deepStrictEqual()

test/unit/backends/layer-stats/torque-layer-stats-test.js

@@ -30,7 +30,7 @@ describe('torque-layer-stats', function () {
         var testSubject = new TorqueLayerStats();
         testSubject.getStats(layer, {}, function (err, result) {
             assert.ifError(err);
-            assert.deepEqual({}, result);
+            assert.deepStrictEqual({}, result);
             done();
         });
     });

test/unit/backends/turbo-carto-postgres-datasource-test.js

@@ -38,7 +38,7 @@ describe('turbo-carto-postgres-datasource', function () {
                 stats: { min_val: 3, max_val: 999, avg_val: 501 },
                 strategy: undefined
             };
-            assert.deepEqual(result, expected_result);
+            assert.deepStrictEqual(result, expected_result);
             done();
         });
     });