add That-Too to manual custom headers list

Signed-off-by: Varsha GS <[email protected]>

Author: GSVarsha

tests/apps/fastapi_app/__init__.py

@@ -6,13 +6,24 @@
 from instana.log import logger
 
 testenv["fastapi_port"] = 10816
-testenv["fastapi_server"] = ("http://127.0.0.1:" + str(testenv["fastapi_port"]))
+testenv["fastapi_server"] = "http://127.0.0.1:" + str(testenv["fastapi_port"])
+
 
 def launch_fastapi():
     from .app import fastapi_server
     from instana.singletons import agent
 
     # Hack together a manual custom headers list; We'll use this in tests
-    agent.options.extra_http_headers = [u'X-Capture-This', u'X-Capture-That', u'X-Capture-This-Too']
+    agent.options.extra_http_headers = [
+        "X-Capture-This",
+        "X-Capture-That",
+        "X-Capture-This-Too",
+        "X-Capture-That-Too",
+    ]
 
-    uvicorn.run(fastapi_server, host='127.0.0.1', port=testenv['fastapi_port'], log_level="critical")
+    uvicorn.run(
+        fastapi_server,
+        host="127.0.0.1",
+        port=testenv["fastapi_port"],
+        log_level="critical",
+    )