Fix documentation of use of tcp connections

Fixes: https://github.com/containers/podman/issues/15430

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

test/apiv2/python/rest_api/fixtures/api_testcase.py

@@ -20,7 +20,7 @@ class APITestCase(unittest.TestCase):
 
         APITestCase.podman = Podman()
         APITestCase.service = APITestCase.podman.open(
-            "system", "service", "tcp:localhost:8080", "--time=0"
+            "system", "service", "tcp://localhost:8080", "--time=0"
         )
         # give the service some time to be ready...
         time.sleep(2)

test/apiv2/python/rest_api/v1_test_rest_v1_0_0.py

@@ -63,7 +63,7 @@ class TestApi(unittest.TestCase):
                 podman(),
                 "system",
                 "service",
-                "tcp:localhost:8080",
+                "tcp://localhost:8080",
                 "--log-level=debug",
                 "--time=0",
             ],