🐛 Fix tests imports

tests/main.py

@@ -1,4 +1,4 @@
-from fastapi.applications import (
+from fastapi import (
     Body,
     Cookie,
     Depends,
@@ -215,11 +215,6 @@ def get_header(head_name=Header(None, convert_underscores=False)):
     return head_name
 
 
-@app.get("/param")
-def get_param(par=Param(None)):
-    return par
-
-
 @app.get("/security")
 def get_security(sec=Security(HTTPBasic())):
     return sec