[improvement] rename packages dir to src (#3659)

src/swipe/test/demo.spec.js

@@ -0,0 +1,17 @@
+import Demo from '../demo';
+import demoTest from '../../../test/demo-test';
+import { mockGetBoundingClientRect } from '../../../test/utils';
+
+let restore;
+
+demoTest(Demo, {
+  hookBeforeTest: () => {
+    restore = mockGetBoundingClientRect({
+      width: 100,
+      height: 100
+    });
+  },
+  hookAfterTest: () => {
+    restore();
+  }
+});