Adding parseInt to config.timeout (#3781)

* Adding parseInt to config.timeout

* Fixing test message

test/unit/adapters/http.js

@@ -29,6 +29,64 @@ describe('supports http with nodejs', function () {
     }
   });
 
+  it('should throw an error if the timeout property is not parsable as a number', function (done) {
+
+    server = http.createServer(function (req, res) {
+      setTimeout(function () {
+        res.end();
+      }, 1000);
+    }).listen(4444, function () {
+      var success = false, failure = false;
+      var error;
+
+      axios.get('http://localhost:4444/', {
+        timeout: { strangeTimeout: 250 }
+      }).then(function (res) {
+        success = true;
+      }).catch(function (err) {
+        error = err;
+        failure = true;
+      });
+
+      setTimeout(function () {
+        assert.equal(success, false, 'request should not succeed');
+        assert.equal(failure, true, 'request should fail');
+        assert.equal(error.code, 'ERR_PARSE_TIMEOUT');
+        assert.equal(error.message, 'error trying to parse `config.timeout` to int');
+        done();
+      }, 300);
+    });
+  });
+
+  it('should parse the timeout property', function (done) {
+
+    server = http.createServer(function (req, res) {
+      setTimeout(function () {
+        res.end();
+      }, 1000);
+    }).listen(4444, function () {
+      var success = false, failure = false;
+      var error;
+
+      axios.get('http://localhost:4444/', {
+        timeout: '250'
+      }).then(function (res) {
+        success = true;
+      }).catch(function (err) {
+        error = err;
+        failure = true;
+      });
+
+      setTimeout(function () {
+        assert.equal(success, false, 'request should not succeed');
+        assert.equal(failure, true, 'request should fail');
+        assert.equal(error.code, 'ECONNABORTED');
+        assert.equal(error.message, 'timeout of 250ms exceeded');
+        done();
+      }, 300);
+    });
+  });
+
   it('should respect the timeout property', function (done) {
 
     server = http.createServer(function (req, res) {