Make internal test call script explicitly

Bug: 201375599
Change-Id: I161c4d6be2fd849d82da2b1438dfcff344e3d862
diff --git a/infra/config/global/generated/cr-buildbucket.cfg b/infra/config/global/generated/cr-buildbucket.cfg
index 4f7bf93..9c5f5ed 100644
--- a/infra/config/global/generated/cr-buildbucket.cfg
+++ b/infra/config/global/generated/cr-buildbucket.cfg
@@ -732,7 +732,8 @@
         cipd_package: "infra_internal/recipe_bundles/chrome-internal.googlesource.com/chrome/tools/build_limited/scripts/slave"
         cipd_version: "refs/heads/master"
         properties_j: "builder_group:\"internal.client.r8\""
-        properties_j: "internal:\"true\""
+        properties_j: "test_options:[\"--bot\"]"
+        properties_j: "test_wrapper:\"tools/internal_test.py\""
       }
       priority: 25
       execution_timeout_secs: 43200
@@ -758,7 +759,8 @@
         cipd_package: "infra_internal/recipe_bundles/chrome-internal.googlesource.com/chrome/tools/build_limited/scripts/slave"
         cipd_version: "refs/heads/master"
         properties_j: "builder_group:\"internal.client.r8\""
-        properties_j: "internal:\"true\""
+        properties_j: "test_options:[\"--bot\"]"
+        properties_j: "test_wrapper:\"tools/internal_test.py\""
       }
       priority: 25
       execution_timeout_secs: 43200
diff --git a/infra/config/global/main.star b/infra/config/global/main.star
index 7e93498..0218c77 100755
--- a/infra/config/global/main.star
+++ b/infra/config/global/main.star
@@ -274,7 +274,8 @@
         ),
         priority = 25,
         properties = {
-            "internal": "true",
+            "test_options" : ["--bot"],
+            "test_wrapper" : "tools/internal_test.py",
             "builder_group" : "internal.client.r8"
         },
         execution_timeout = time.hour * 12,