diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 996c71ffa2..d26f431c81 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -73,6 +73,10 @@ jobs:
             -r ./tensorboard/pip_package/requirements.txt \
             -r ./tensorboard/pip_package/requirements_dev.txt \
             ;
+      - name: 'Install Chrome dependencies'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libgbm-dev libxss1 libasound2
       - name: 'Check Pip state'
         run: pip freeze --all
       - name: 'Bazel: fetch'
diff --git a/tensorboard/BUILD b/tensorboard/BUILD
index 405d6b8d99..3e4440e560 100644
--- a/tensorboard/BUILD
+++ b/tensorboard/BUILD
@@ -1,12 +1,12 @@
 # Description:
 # TensorBoard, a dashboard for investigating TensorFlow
 
-load("//tensorboard/defs:py_repl.bzl", "py_repl")
-load("//tensorboard/defs:web.bzl", "tf_web_library")
-load("//tensorboard/defs:zipper.bzl", "tensorboard_zip_file")
 load("@rules_python//python:py_binary.bzl", "py_binary")
 load("@rules_python//python:py_library.bzl", "py_library")
 load("@rules_python//python:py_test.bzl", "py_test")
+load("//tensorboard/defs:py_repl.bzl", "py_repl")
+load("//tensorboard/defs:web.bzl", "tf_web_library")
+load("//tensorboard/defs:zipper.bzl", "tensorboard_zip_file")
 
 package(default_visibility = [":internal"])
 
@@ -211,10 +211,13 @@ py_library(
 
 py_test(
     name = "manager_test",
-    size = "small",
+    size = "large",
     srcs = ["manager_test.py"],
     srcs_version = "PY3",
-    tags = ["support_notf"],
+    tags = [
+        "exclusive",
+        "support_notf",
+    ],
     visibility = ["//tensorboard:internal"],
     deps = [
         ":manager",
@@ -273,10 +276,13 @@ py_library(
 
 py_test(
     name = "program_test",
-    size = "small",
+    size = "large",
     srcs = ["program_test.py"],
     srcs_version = "PY3",
-    tags = ["support_notf"],
+    tags = [
+        "exclusive",
+        "support_notf",
+    ],
     deps = [
         ":default",
         ":program",
diff --git a/tensorboard/manager_test.py b/tensorboard/manager_test.py
index 8420887846..6911398c51 100644
--- a/tensorboard/manager_test.py
+++ b/tensorboard/manager_test.py
@@ -384,7 +384,7 @@ def test_get_all_ignores_bad_files(self):
         os.chmod(os.path.join(self.info_dir, "pid-9012.info"), 0o000)
         with mock.patch.object(tb_logging.get_logger(), "debug") as fn:
             self.assertEqual(manager.get_all(), [])
-        self.assertEqual(fn.call_count, 2)  # 2 invalid, 1 unreadable (silent)
+        self.assertEqual(fn.call_count, 3)  # 2 invalid, 1 unreadable (silent)
 
 
 if __name__ == "__main__":
diff --git a/tensorboard/program_test.py b/tensorboard/program_test.py
index 68a9a51ea7..82ace265be 100644
--- a/tensorboard/program_test.py
+++ b/tensorboard/program_test.py
@@ -14,7 +14,6 @@
 # ==============================================================================
 """Unit tests for program package."""
 
-
 import argparse
 import io
 import sys
@@ -149,9 +148,10 @@ def testSpecifiedHost(self):
             )
             self.assertStartsWith(server.get_url(), "http://127.0.0.1:")
             one_passed = True
-        except program.TensorBoardServerException:
-            # IPv4 is not supported
+        except (program.TensorBoardServerException, OSError, SystemExit):
+            # IPv4 is not supported or failed to bind
             pass
+
         try:
             server = program.WerkzeugServer(
                 self._StubApplication(),
@@ -159,12 +159,14 @@ def testSpecifiedHost(self):
             )
             self.assertStartsWith(server.get_url(), "http://[::1]:")
             one_passed = True
-        except program.TensorBoardServerException:
-            # IPv6 is not supported
+        except (program.TensorBoardServerException, OSError, SystemExit):
+            # IPv6 is not supported or failed to bind
             pass
+
         self.assertTrue(
-            one_passed
-        )  # We expect either IPv4 or IPv6 to be supported
+            one_passed,
+            "Neither IPv4 (127.0.0.1) nor IPv6 (::1) could be bound.",
+        )
 
 
 class SubcommandTest(tb_test.TestCase):