Fix test_proactive_adaptation_with_separate_commands (#970)

* Add link script

* Set run_immediately=False

* Add await hass.async_block_till_done()

* Use scripts/link

* Rename scripts

* Links in devcontainer

* Install from setup script

scripts/setup-dependencies

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -ex
+cd "$(dirname "$0")/.."
+
+pip install -r core/requirements.txt
+
+if grep -q 'codecov' core/requirements_test.txt; then
+    # Older HA versions still have `codecov` in `requirements_test.txt`
+    # however it is removed from PyPI, so we cannot install it
+    sed -i '/codecov/d' core/requirements_test.txt
+fi
+pip install -r core/requirements_test.txt
+
+pip install -e core/
+pip install ulid-transform # this is in Adaptive-lighting's manifest.json
+pip install $(python test_dependencies.py)