fix jest tests

Author: ngokevin

src/index.js

@@ -83,9 +83,19 @@ export class Entity extends React.Component {
   render() {
     const props = this.props;
     const elementName = this.isScene ? 'a-scene' : (props.primitive || 'a-entity');
+
+    // Let through props that are OK to render initially.
+    let reactProps = {};
+    Object.keys(props).forEach(propName => {
+      if (['className', 'id', 'mixin'].indexOf(propName) !== -1 ||
+          propName.indexOf('data-') === 0) {
+        reactProps[propName] = props[propName];
+      }
+    });
+
     return React.createElement(
       elementName,
-      Object.assign({ref: this.updateDOM}),
+      {ref: this.updateDOM, ...reactProps},
       props.children);
   }
 }

tests/react/index.test.js

@@ -34,13 +34,6 @@ describe('Entity', () => {
     expect(tree.props.mixin).toBe('box');
   });
 
-  it('renders <a-entity> with null component', () => {
-    const tree = renderer.create(
-      <Entity position={null} />
-    ).toJSON();
-    expect(tree.props.position).toBe(null);
-  });
-
   it('renders primitive', () => {
     const tree = renderer.create(
       <Entity primitive='a-sphere' material={{color: 'red'}}/>
@@ -59,14 +52,4 @@ describe('Scene', () => {
     expect(tree.type).toBe('a-scene');
     expect(tree.children[0].type).toBe('a-entity');
   });
-
-  it('renders <a-scene antialias="true">', () => {
-    const tree = renderer.create(
-      <Scene antialias='true'>
-        <Entity/>
-      </Scene>
-    ).toJSON();
-    expect(tree.type).toBe('a-scene');
-    expect(tree.props.antialias).toBe('true');
-  });
 });