Query Search Page (#1122)

* Query search page under SQL Lab tab

* Modifications based on comments

* Hash

* Added spec and endpoint test with modifications
based on second round comments

* Changed permission menu in https://github.com/airbnb/caravel/pull/1095/files

caravel/assets/spec/javascripts/sqllab/QuerySearch_spec.jsx

@@ -0,0 +1,30 @@
+import React from 'react';
+import Select from 'react-select';
+import { Button } from 'react-bootstrap';
+import QuerySearch from '../../../javascripts/SqlLab/components/QuerySearch';
+import { shallow } from 'enzyme';
+import { describe, it } from 'mocha';
+import { expect } from 'chai';
+
+describe('QuerySearch', () => {
+  it('should render', () => {
+    expect(
+      React.isValidElement(<QuerySearch />)
+    ).to.equal(true);
+  });
+
+  it('should have two Select', () => {
+    const wrapper = shallow(<QuerySearch />);
+    expect(wrapper.find(Select)).to.have.length(2);
+  });
+
+  it('should have one input for searchText', () => {
+    const wrapper = shallow(<QuerySearch />);
+    expect(wrapper.find('input')).to.have.length(1);
+  });
+
+  it('should have one Button', () => {
+    const wrapper = shallow(<QuerySearch />);
+    expect(wrapper.find(Button)).to.have.length(1);
+  });
+});