Returned error treated when requesting uncommon URL (#3544)

* Fixing error returned when requesting illegal URL

* Adding unit tests http.js

* Fixing error message axios invalid request from browser

* Adding unit tests requests.spec.js

* Adding at utils.js a new method: getProtocol

Co-authored-by: Jay <jasonsaayman@gmail.com>

test/specs/requests.spec.js

@@ -481,4 +481,53 @@ describe('requests', function () {
       done();
     });
   });
+
+  it('should support HTTP protocol', function (done) {
+    var response;
+
+    axios.get('/foo')
+      .then(function (res) {
+        response = res
+      })
+
+    getAjaxRequest().then(function (request) {
+      expect(request.method).toBe('GET');
+      request.respondWith({
+        status: 200
+      });
+      done();
+    });
+  });
+
+  it('should support HTTPS protocol', function (done) {
+    var response;
+    axios.get('https://www.google.com')
+      .then(function (res) {
+        response = res
+      })
+    
+    getAjaxRequest().then(function (request) {
+      expect(request.method).toBe('GET');
+      request.respondWith({
+        status: 200
+      });
+      done();
+    });
+  });
+
+  it('should return malformed url error message', function (done) {
+    axios.get('tel:484-695-3408')
+      .catch(function (error) {
+        expect(error.message).toEqual('Malformed URL tel:484-695-3408')
+        done();
+      })
+  });
+
+  it('should return unsupported protocol error message', function (done) {
+    axios.get('ftp:google.com')
+      .catch(function (error) {
+        expect(error.message).toEqual('Unsupported protocol ftp:')
+        done();
+      })
+  });
 });