[polymer] import all elements

pkg/polymer/lib/elements/web-animations-js/test/testcases/auto-test-to-animation-checks.js

Index: pkg/polymer/lib/elements/web-animations-js/test/testcases/auto-test-to-animation-checks.js
diff --git a/pkg/polymer/lib/elements/web-animations-js/test/testcases/auto-test-to-animation-checks.js b/pkg/polymer/lib/elements/web-animations-js/test/testcases/auto-test-to-animation-checks.js
new file mode 100644
index 0000000000000000000000000000000000000000..dd22906f4f7c81125ab094d21b6937a803dfdb15
--- /dev/null
+++ b/pkg/polymer/lib/elements/web-animations-js/test/testcases/auto-test-to-animation-checks.js
@@ -0,0 +1,58 @@
+timing_test(function() {
+  at(0, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'200px'},
+       {'left':'100px'},
+       {'left':'0px'},
+       {'left':'200px'}]);
+  }, "Autogenerated");
+  at(0.4, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'180px'},
+       {'left':'120px'},
+       {'left':'60px'},
+       {'left':'240px'}]);
+  }, "Autogenerated");
+  at(0.8, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'160px'},
+       {'left':'140px'},
+       {'left':'120px'},
+       {'left':'280px'}]);
+  }, "Autogenerated");
+  at(1.2000000000000002, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'140px'},
+       {'left':'160px'},
+       {'left':'180px'},
+       {'left':'320px'}]);
+  }, "Autogenerated");
+  at(1.6, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'120px'},
+       {'left':'180px'},
+       {'left':'240px'},
+       {'left':'360px'}]);
+  }, "Autogenerated");
+  at(2, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'100px'},
+       {'left':'200px'},
+       {'left':'300px'},
+       {'left':'400px'}]);
+  }, "Autogenerated");
+  at(2.4, function() {
+    assert_styles(
+      '.anim',
+      [{'left':'100px'},
+       {'left':'200px'},
+       {'left':'300px'},
+       {'left':'400px'}]);
+  }, "Autogenerated");
+}, "Autogenerated checks.");