[WiP] rename project from Caravel to Superset (#1576)

* Change in files

* Renamin files and folders

* cleaning up a single piece of lint

* Removing boat picture from docs

* add superset word mark

* Update rename note in docs

* Fixing images

* Pinning datatables

* Fixing issues with mapbox-gl

* Forgot to rename one file

* Linting

* v0.13.0

* adding pyyaml to dev-reqs

superset/assets/spec/javascripts/explore/components/QueryAndSaveBtns_spec.jsx

@@ -0,0 +1,36 @@
+import React from 'react';
+import { beforeEach, describe, it } from 'mocha';
+import { expect } from 'chai';
+import { shallow } from 'enzyme';
+
+import QueryAndSaveButtons from '../../../../javascripts/explore/components/QueryAndSaveBtns';
+
+describe('QueryAndSaveButtons', () => {
+  const defaultProps = {
+    canAdd: 'True',
+    onQuery: () => {},
+  };
+
+  // It must render
+  it('renders', () => {
+    expect(React.isValidElement(<QueryAndSaveButtons {...defaultProps} />)).to.equal(true);
+  });
+
+  // Test the output
+  describe('output', () => {
+    let wrapper;
+
+    beforeEach(() => {
+      wrapper = shallow(<QueryAndSaveButtons {...defaultProps} />);
+    });
+
+    it('renders 2 buttons', () => {
+      expect(wrapper.find('button')).to.have.lengthOf(2);
+    });
+
+    it('renders buttons with correct text', () => {
+      expect(wrapper.find('button').contains(' Query')).to.eql(true);
+      expect(wrapper.find('button').contains(' Save as')).to.eql(true);
+    });
+  });
+});