diff --git a/tests/foreman/ui/test_errata.py b/tests/foreman/ui/test_errata.py
index bfb85012766..ad6ec0551fb 100644
--- a/tests/foreman/ui/test_errata.py
+++ b/tests/foreman/ui/test_errata.py
@@ -64,31 +64,27 @@ def _generate_errata_applicability(hostname):
     host.errata_applicability(synchronous=False)
 
 
-def _install_client_package(client, package, errata_applicability=False):
+def _install_client_package(client, package):
     """Install a package in virtual machine client.
+    Errata applicability regenerated after successful yum execution.
 
     :param client: The Virtual machine client.
     :param package: the package to install in virtual machine client.
-    :param errata_applicability: If True, force host to generate errata applicability.
     :returns: True if package installed successfully, False otherwise.
     """
     result = client.execute(f'yum install -y {package}')
-    if errata_applicability:
-        _generate_errata_applicability(client.hostname)
     return result.status == 0
 
 
-def _remove_client_package(client, package, errata_applicability=False):
+def _remove_client_package(client, package):
     """Remove a package in virtual machine client.
+    Errata applicability regenerated after successful yum execution.
 
     :param client: The Virtual machine client.
     :param package: the package (full version, or name) to remove from virtual machine client.
-    :param errata_applicability: If True, force host to generate errata applicability.
     :returns: True if a package was removed successfully, False otherwise.
     """
     result = client.execute(f'yum remove -y {package}')
-    if errata_applicability:
-        _generate_errata_applicability(client.hostname)
     return result.status == 0
 
 
@@ -215,7 +211,6 @@ def registered_contenthost(
 
     result = rhel_contenthost.register(
         activation_keys=activation_key.name,
-        lifecycle_environment=module_lce,
         target=module_target_sat,
         org=module_org,
         loc=None,
@@ -286,6 +281,7 @@ def test_end_to_end(
         ],
         'module_stream_packages': [],
     }
+    _UTC_format = '%Y-%m-%d %H:%M:%S UTC'
     # Capture product and repository with the desired content
     assert len(product_list := module_target_sat.api.Product(organization=module_org).search()) > 0
     _product = product_list[-1].read()
@@ -293,12 +289,12 @@ def test_end_to_end(
     _repository = _product.repository[-1].read()
     # Remove custom package if present, then install outdated version
     _remove_client_package(registered_contenthost, FAKE_1_CUSTOM_PACKAGE_NAME)
-    assert _install_client_package(
-        registered_contenthost, FAKE_1_CUSTOM_PACKAGE, errata_applicability=True
-    )
+    assert _install_client_package(registered_contenthost, FAKE_1_CUSTOM_PACKAGE)
     assert (
-        registered_contenthost.applicable_errata_count == 1
-    ), 'Expected only one applicable errata after setup.'
+        appl_errata := registered_contenthost.applicable_errata_count
+    ) == 1, (
+        f'Expected one applicable errata: {CUSTOM_REPO_ERRATA_ID}, after setup. Got {appl_errata}'
+    )
 
     with session:
 
@@ -326,7 +322,7 @@ def test_end_to_end(
             == ERRATA_PACKAGES['module_stream_packages']
         )
 
-        # Install Errata, find and assert REX task
+        # Apply Errata, find REX install task
         session.host_new.apply_erratas(
             entity_name=registered_contenthost.hostname,
             search=f"errata_id == {CUSTOM_REPO_ERRATA_ID}",
@@ -346,12 +342,30 @@ def test_end_to_end(
         assert (
             registered_contenthost.applicable_errata_count == 0
         ), 'Unexpected applicable errata found after install.'
+        # Check UTC timing for install task and session
+        install_start = datetime.strptime(task_status['started_at'], _UTC_format)
+        install_end = datetime.strptime(task_status['ended_at'], _UTC_format)
+        assert (install_end - install_start).total_seconds() <= 60
+        assert (install_end - datetime_utc_start).total_seconds() <= 600
+
+        # Find bulk generate applicability task
+        result = module_target_sat.wait_for_tasks(
+            search_query=(
+                f'"Bulk generate applicability for host {registered_contenthost.hostname}"'
+            ),
+            search_rate=2,
+            max_tries=60,
+        )
+        task_status = module_target_sat.api.ForemanTask(id=result[0].id).poll()
+        assert (
+            task_status['result'] == 'success'
+        ), f'Bulk Generate Errata Applicability task failed:\n{task_status}'
+        # Check UTC timing for generate applicability task
+        bulk_gen_start = datetime.strptime(task_status['started_at'], _UTC_format)
+        bulk_gen_end = datetime.strptime(task_status['ended_at'], _UTC_format)
+        assert (bulk_gen_start - install_end).total_seconds() <= 30
+        assert (bulk_gen_end - bulk_gen_start).total_seconds() <= 60
 
-        task_start = datetime.strptime(task_status['started_at'], '%Y-%m-%d %H:%M:%S UTC')
-        task_end = datetime.strptime(task_status['ended_at'], '%Y-%m-%d %H:%M:%S UTC')
-        # Checking UTC timing for install task and session
-        assert (task_end - task_start).total_seconds() <= 60
-        assert (task_end - datetime_utc_start).total_seconds() <= 600
         # Errata should still be visible on satellite, but not on contenthost
         assert session.errata.read(CUSTOM_REPO_ERRATA_ID)
         assert not session.errata.search_content_hosts(