[promises] Re-enable CI for promise-based-client-call (#34466)

We disabled this a little while ago for lack of CI bandwidth, but #34404
ought to have freed up enough capacity that we can keep running this.

---------

Co-authored-by: ctiller <ctiller@users.noreply.github.com>

bazel/experiments.bzl

@@ -23,6 +23,7 @@ EXPERIMENTS = {
         "off": {
             "core_end2end_test": [
                 "event_engine_listener",
+                "promise_based_client_call",
                 "promise_based_server_call",
                 "work_serializer_dispatch",
             ],
@@ -42,6 +43,9 @@ EXPERIMENTS = {
                 "tcp_frame_size_tuning",
                 "tcp_rcv_lowat",
             ],
+            "lame_client_test": [
+                "promise_based_client_call",
+            ],
             "lb_unit_test": [
                 "work_serializer_dispatch",
             ],
@@ -85,6 +89,7 @@ EXPERIMENTS = {
         "off": {
             "core_end2end_test": [
                 "event_engine_listener",
+                "promise_based_client_call",
                 "promise_based_server_call",
                 "work_serializer_dispatch",
             ],
@@ -104,6 +109,9 @@ EXPERIMENTS = {
                 "tcp_frame_size_tuning",
                 "tcp_rcv_lowat",
             ],
+            "lame_client_test": [
+                "promise_based_client_call",
+            ],
             "lb_unit_test": [
                 "work_serializer_dispatch",
             ],
@@ -151,6 +159,7 @@ EXPERIMENTS = {
             "core_end2end_test": [
                 "event_engine_client",
                 "event_engine_listener",
+                "promise_based_client_call",
                 "promise_based_server_call",
                 "work_serializer_dispatch",
             ],
@@ -173,6 +182,9 @@ EXPERIMENTS = {
                 "tcp_frame_size_tuning",
                 "tcp_rcv_lowat",
             ],
+            "lame_client_test": [
+                "promise_based_client_call",
+            ],
             "lb_unit_test": [
                 "work_serializer_dispatch",
             ],

src/core/lib/experiments/experiments.yaml

@@ -81,9 +81,7 @@
     (ie when all filters in a stack are promise based)
   expiry: 2023/11/01
   owner: ctiller@google.com
-  # TODO(ctiller): re-enable once we've got some more CI bandwidth
-  # test_tags: ["core_end2end_test", "lame_client_test"]
-  test_tags: []
+  test_tags: ["core_end2end_test", "lame_client_test"]
 - name: free_large_allocator
   description: If set, return all free bytes from a "big" allocator
   expiry: 2023/11/01