API Integration Tests via jest (#10899)

* tests: experiment with api tests

* api tests are getting nice

* api: api testing ready for feedback

tests/api/clearState.test.ts

@@ -0,0 +1,7 @@
+import * as setup from './setup';
+
+describe.skip('clear state', () => {
+  it('will clear state', () => {
+    return setup.clearState();
+  });
+});