Try to copy over files

test_dependencies.py

@@ -0,0 +1,27 @@
+from collections import defaultdict
+
+with open("core/requirements_test_all.txt") as f:
+    lines = f.readlines()
+
+components = []
+packages = []
+deps = {}
+for i, line in enumerate(lines):
+    line = line.strip()
+    if line.startswith("# homeassistant."):
+        component = line.split("# homeassistant.")[1]
+        components.append(component)
+    elif components and line:
+        packages.append(line)
+    else:
+        for component in components:
+            for package in packages:
+                deps.setdefault(component, []).append(package)
+        components = []
+        packages = []
+
+required = ["components.recorder", "components.mqtt", "components.zeroconf"]
+to_install = []
+for r in required:
+    to_install.extend(deps[r])
+print(" ".join(to_install))