Fix #2114 - Cleanup the test folder + automation (#2143)

* Fix #2114 - Cleanup the test folder + automation
* Merged both test and tests into a single folder

pyscript.core/tests/issue-7015/main.py

@@ -0,0 +1,12 @@
+import panel as pn
+
+pn.extension(sizing_mode="stretch_width")
+
+slider = pn.widgets.FloatSlider(start=0, end=10, name="amplitude")
+
+
+def callback(new):
+    return f"Amplitude is: {new}"
+
+
+pn.Row(slider, pn.bind(callback, slider)).servable(target="simple_app")