chore: Moves CRUD components to the Datasource component (#19032)

* chore: Moves CRUD components to the Datasource component

* Fixes imports

* Fixes less import

superset-frontend/src/components/Datasource/CollectionTable.test.jsx

@@ -0,0 +1,48 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import React from 'react';
+import { shallow } from 'enzyme';
+
+import mockDatasource from 'spec/fixtures/mockDatasource';
+import CollectionTable from './CollectionTable';
+
+const props = {
+  collection: mockDatasource['7__table'].columns,
+  tableColumns: ['column_name', 'type', 'groupby'],
+};
+
+describe('CollectionTable', () => {
+  let wrapper;
+  let el;
+
+  beforeEach(() => {
+    el = <CollectionTable {...props} />;
+    wrapper = shallow(el);
+  });
+
+  it('is valid', () => {
+    expect(React.isValidElement(el)).toBe(true);
+  });
+
+  it('renders a table', () => {
+    const { length } = mockDatasource['7__table'].columns;
+    expect(wrapper.find('table')).toExist();
+    expect(wrapper.find('tbody tr.row')).toHaveLength(length);
+  });
+});