stackdriver: add simple render test

public/app/plugins/datasource/stackdriver/components/TemplateQueryComponent.test.tsx

@@ -0,0 +1,17 @@
+import React from 'react';
+import renderer from 'react-test-renderer';
+import { StackdriverTemplateQueryComponent } from './TemplateQueryComponent';
+import { TemplateQueryProps } from 'app/types/plugins';
+
+describe('StackdriverTemplateQueryComponent', () => {
+  const props: TemplateQueryProps = {
+    onChange: (query, definition) => {},
+    query: '',
+    datasource: {},
+  };
+
+  it('renders correctly', () => {
+    const tree = renderer.create(<StackdriverTemplateQueryComponent {...props} />).toJSON();
+    expect(tree).toMatchSnapshot();
+  });
+});

public/app/plugins/datasource/stackdriver/components/__snapshots__/TemplateQueryComponent.test.tsx.snap

@@ -0,0 +1,67 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`StackdriverTemplateQueryComponent renders correctly 1`] = `
+Array [
+  <div
+    className="gf-form max-width-21"
+  >
+    <span
+      className="gf-form-label width-10"
+    >
+      Query Types
+    </span>
+    <div
+      className="gf-form-select-wrapper max-width-10"
+    >
+      <select
+        className="gf-form-input"
+        onChange={[Function]}
+        required={true}
+        value="services"
+      >
+        <option
+          value="services"
+        >
+          Services
+        </option>
+        <option
+          value="metricTypes"
+        >
+          Metric Types
+        </option>
+        <option
+          value="metricLabels"
+        >
+          Metric Labels
+        </option>
+        <option
+          value="resourceLabels"
+        >
+          Resource Labels
+        </option>
+        <option
+          value="resourceTypes"
+        >
+          Resource Types
+        </option>
+        <option
+          value="aggregations"
+        >
+          Aggregations
+        </option>
+        <option
+          value="alignerns"
+        >
+          Aligners
+        </option>
+        <option
+          value="alignmentPeriods"
+        >
+          Alignment Periods
+        </option>
+      </select>
+    </div>
+  </div>,
+  "",
+]
+`;