Add basic webtesting example.

Also switch the angular example to use ts_library instead of ts_project.

Change-Id: Ib94c7010bd2af4036d1a04efaf95bbab43cb9ef0
Signed-off-by: Alex Perry <alex.perry96@gmail.com>
diff --git a/build_tests/basic_test.ts b/build_tests/basic_test.ts
new file mode 100644
index 0000000..298f928
--- /dev/null
+++ b/build_tests/basic_test.ts
@@ -0,0 +1,11 @@
+import {add} from './basic';
+
+describe('add', () => {
+  it('should sum numbers', () => {
+    expect(3 + 4).toEqual(7);
+  });
+
+  it('should not sum numbers', () => {
+    expect(add(3, 3)).not.toEqual(7);
+  });
+});