sanic: use the lightweight sanic_testing module

Signed-off-by: Varsha GS <varsha.gs@ibm.com>
(cherry picked from commit 6ff67a1)

src/instana/instrumentation/sanic_inst.py

@@ -21,12 +21,8 @@
     from instana.util.traceutils import extract_custom_headers
     from instana.propagators.format import Format
 
-    if hasattr(sanic.request, "types"):
-        from sanic.request.types import Request
-        from sanic.response.types import HTTPResponse
-    else:
-        from sanic.request import Request
-        from sanic.response import HTTPResponse
+    from sanic.request import Request
+    from sanic.response import HTTPResponse
 
     @wrapt.patch_function_wrapper("sanic.app", "Sanic.__init__")
     def init_with_instana(
@@ -81,7 +77,7 @@ def request_with_instana(request: Request) -> None:
         @app.exception(Exception)
         def exception_with_instana(request: Request, exception: Exception) -> None:
             try:
-                if not hasattr(request.ctx, "span"):
+                if not hasattr(request.ctx, "span"): # pragma: no cover
                     return
                 span = request.ctx.span
 
@@ -98,7 +94,7 @@ def exception_with_instana(request: Request, exception: Exception) -> None:
         @app.middleware("response")
         def response_with_instana(request: Request, response: HTTPResponse) -> None:
             try:
-                if not hasattr(request.ctx, "span"):
+                if not hasattr(request.ctx, "span"): # pragma: no cover
                     return
                 span = request.ctx.span