diff --git a/pkgs/development/python-modules/google-cloud-automl/default.nix b/pkgs/development/python-modules/google-cloud-automl/default.nix
index 0bab9ce64870..899eef02c9a1 100644
--- a/pkgs/development/python-modules/google-cloud-automl/default.nix
+++ b/pkgs/development/python-modules/google-cloud-automl/default.nix
@@ -21,7 +21,11 @@ buildPythonPackage rec {
     sha256 = "sha256-UjYzSWtP4cp0p7Is2qIGWBgEhjgTv0YeL0N9D7etIbY=";
   };
 
-  propagatedBuildInputs = [ google-api-core libcst proto-plus ];
+  propagatedBuildInputs = [
+    google-api-core
+    libcst
+    proto-plus
+  ];
 
   checkInputs = [
     google-cloud-storage
@@ -35,10 +39,13 @@ buildPythonPackage rec {
   preCheck = ''
     # do not shadow imports
     rm -r google
-    # requires credentials
-    rm tests/system/gapic/v1beta1/test_system_tables_client_v1.py
   '';
 
+  disabledTestPaths = [
+    # requires credentials
+    "tests/system/gapic/v1beta1/test_system_tables_client_v1.py"
+  ];
+
   disabledTests = [
     # requires credentials
     "test_prediction_client_client_info"
diff --git a/pkgs/development/python-modules/google-cloud-datastore/default.nix b/pkgs/development/python-modules/google-cloud-datastore/default.nix
index 79a97b692896..dae19022d06c 100644
--- a/pkgs/development/python-modules/google-cloud-datastore/default.nix
+++ b/pkgs/development/python-modules/google-cloud-datastore/default.nix
@@ -20,17 +20,30 @@ buildPythonPackage rec {
     sha256 = "sha256-56UQdZudVf9jyYPjxCy/XDX5tzEPTWEevjaX2mV2vLQ=";
   };
 
-  propagatedBuildInputs = [ google-api-core google-cloud-core libcst proto-plus ];
+  propagatedBuildInputs = [
+    google-api-core
+    google-cloud-core
+    libcst
+    proto-plus
+  ];
 
-  checkInputs = [ google-cloud-testutils mock pytestCheckHook pytest-asyncio ];
+  checkInputs = [
+    google-cloud-testutils
+    mock
+    pytestCheckHook
+    pytest-asyncio
+  ];
 
   preCheck = ''
     # directory shadows imports
     rm -r google
-    # requires credentials
-    rm tests/system/test_system.py
   '';
 
+  disabledTestPaths = [
+    # Requires credentials
+    "tests/system/test_system.py"
+  ];
+
   pythonImportsCheck = [
     "google.cloud.datastore"
     "google.cloud.datastore_admin_v1"
diff --git a/pkgs/development/python-modules/google-cloud-error-reporting/default.nix b/pkgs/development/python-modules/google-cloud-error-reporting/default.nix
index 732c9aac81d8..8aae0c072a0f 100644
--- a/pkgs/development/python-modules/google-cloud-error-reporting/default.nix
+++ b/pkgs/development/python-modules/google-cloud-error-reporting/default.nix
@@ -24,9 +24,18 @@ buildPythonPackage rec {
       --replace 'google-cloud-logging>=1.14.0, <2.4' 'google-cloud-logging>=1.14.0'
   '';
 
-  propagatedBuildInputs = [ google-cloud-logging libcst proto-plus ];
+  propagatedBuildInputs = [
+    google-cloud-logging
+    libcst
+    proto-plus
+  ];
 
-  checkInputs = [ google-cloud-testutils mock pytestCheckHook pytest-asyncio ];
+  checkInputs = [
+    google-cloud-testutils
+    mock
+    pytestCheckHook
+    pytest-asyncio
+  ];
 
   disabledTests = [
     # require credentials
@@ -34,8 +43,8 @@ buildPythonPackage rec {
     "test_report_exception"
   ];
 
-  # prevent google directory from shadowing google imports
   preCheck = ''
+    # prevent google directory from shadowing google imports
     rm -r google
   '';
 
diff --git a/pkgs/development/python-modules/google-cloud-firestore/default.nix b/pkgs/development/python-modules/google-cloud-firestore/default.nix
index 92922fcc403f..4ff4c920c8ad 100644
--- a/pkgs/development/python-modules/google-cloud-firestore/default.nix
+++ b/pkgs/development/python-modules/google-cloud-firestore/default.nix
@@ -39,10 +39,10 @@ buildPythonPackage rec {
     rm -r google
   '';
 
-  pytestFlagsArray = [
-    # tests are broken
-    "--ignore=tests/system/test_system.py"
-    "--ignore=tests/system/test_system_async.py"
+  disabledTestPaths = [
+    # Tests are broken
+    "tests/system/test_system.py"
+    "tests/system/test_system_async.py"
   ];
 
   disabledTests = [
diff --git a/pkgs/development/python-modules/google-cloud-pubsub/default.nix b/pkgs/development/python-modules/google-cloud-pubsub/default.nix
index 27eee2507a74..6bce8cc5a89b 100644
--- a/pkgs/development/python-modules/google-cloud-pubsub/default.nix
+++ b/pkgs/development/python-modules/google-cloud-pubsub/default.nix
@@ -20,17 +20,30 @@ buildPythonPackage rec {
     sha256 = "sha256-hwZVe3FTLHauxIQJ3KwYnKrEfPLey4hQrnVpS/cDJrI=";
   };
 
-  propagatedBuildInputs = [ grpc_google_iam_v1 google-api-core libcst proto-plus ];
+  propagatedBuildInputs = [
+    grpc_google_iam_v1
+    google-api-core
+    libcst
+    proto-plus
+  ];
 
-  checkInputs = [ google-cloud-testutils mock pytestCheckHook pytest-asyncio ];
+  checkInputs = [
+    google-cloud-testutils
+    mock
+    pytestCheckHook
+    pytest-asyncio
+  ];
 
   preCheck = ''
     # prevent google directory from shadowing google imports
     rm -r google
-    # Tests in pubsub_v1 attempt to contact pubsub.googleapis.com
-    rm -r tests/unit/pubsub_v1
   '';
 
+  disabledTestPaths = [
+    # Tests in pubsub_v1 attempt to contact pubsub.googleapis.com
+    "tests/unit/pubsub_v1"
+  ];
+
   pythonImportsCheck = [ "google.cloud.pubsub" ];
 
   meta = with lib; {
diff --git a/pkgs/development/python-modules/google-cloud-spanner/default.nix b/pkgs/development/python-modules/google-cloud-spanner/default.nix
index e1f059810296..eae38f5dfc17 100644
--- a/pkgs/development/python-modules/google-cloud-spanner/default.nix
+++ b/pkgs/development/python-modules/google-cloud-spanner/default.nix
@@ -21,18 +21,35 @@ buildPythonPackage rec {
     sha256 = "sha256-8o7pr9msuMfIN7UMX+/gppmD3MWXt2hBqb7vcLUE22M=";
   };
 
-  propagatedBuildInputs = [ google-cloud-core grpc_google_iam_v1 libcst proto-plus sqlparse ];
+  propagatedBuildInputs = [
+    google-cloud-core
+    grpc_google_iam_v1
+    libcst
+    proto-plus
+    sqlparse
+  ];
 
-  checkInputs = [ google-cloud-testutils mock pytestCheckHook pytest-asyncio ];
+  checkInputs = [
+    google-cloud-testutils
+    mock
+    pytestCheckHook
+    pytest-asyncio
+  ];
 
   preCheck = ''
     # prevent google directory from shadowing google imports
     rm -r google
-    # disable tests which require credentials
-    rm tests/system/test_{system,system_dbapi}.py
-    rm tests/unit/spanner_dbapi/test_{connect,connection,cursor}.py
   '';
 
+  disabledTestPaths = [
+    # Requires credentials
+    "tests/system/test_system.py"
+    "tests/system/test_system_dbapi.py"
+    "tests/unit/spanner_dbapi/test_connect.py"
+    "tests/unit/spanner_dbapi/test_connection.py"
+    "tests/unit/spanner_dbapi/test_cursor.py"
+  ];
+
   pythonImportsCheck = [
     "google.cloud.spanner_admin_database_v1"
     "google.cloud.spanner_admin_instance_v1"
diff --git a/pkgs/development/python-modules/google-cloud-translate/default.nix b/pkgs/development/python-modules/google-cloud-translate/default.nix
index beae78331abd..b1167433b4c0 100644
--- a/pkgs/development/python-modules/google-cloud-translate/default.nix
+++ b/pkgs/development/python-modules/google-cloud-translate/default.nix
@@ -21,9 +21,19 @@ buildPythonPackage rec {
     sha256 = "sha256-jNlX9LKajHqYPgpCfCcSUzxBu3AHt2qMyI1sZQdcZ5o=";
   };
 
-  propagatedBuildInputs = [ google-api-core google-cloud-core libcst proto-plus ];
+  propagatedBuildInputs = [
+    google-api-core
+    google-cloud-core
+    libcst
+    proto-plus
+  ];
 
-  checkInputs = [ google-cloud-testutils mock pytestCheckHook pytest-asyncio ];
+  checkInputs = [
+    google-cloud-testutils
+    mock
+    pytestCheckHook
+    pytest-asyncio
+  ];
 
   preCheck = ''
     # prevent shadowing imports