diff --git a/pkgs/development/python-modules/debtcollector/default.nix b/pkgs/development/python-modules/debtcollector/default.nix
index 75555569e235..df3d78394605 100644
--- a/pkgs/development/python-modules/debtcollector/default.nix
+++ b/pkgs/development/python-modules/debtcollector/default.nix
@@ -17,7 +17,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   passthru.tests = {
-    pytest = callPackage ./tests.nix { };
+    tests = callPackage ./tests.nix { };
   };
 
   pythonImportsCheck = [ "debtcollector" ];
diff --git a/pkgs/development/python-modules/os-service-types/default.nix b/pkgs/development/python-modules/os-service-types/default.nix
index 990af2ce6b9d..147685fb2b91 100644
--- a/pkgs/development/python-modules/os-service-types/default.nix
+++ b/pkgs/development/python-modules/os-service-types/default.nix
@@ -27,7 +27,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   passthru.tests = {
-    pytest = callPackage ./tests.nix { };
+    tests = callPackage ./tests.nix { };
   };
 
   pythonImportsCheck = [ "os_service_types" ];
diff --git a/pkgs/development/python-modules/oslo-config/default.nix b/pkgs/development/python-modules/oslo-config/default.nix
index fface886eb94..125481d1e026 100644
--- a/pkgs/development/python-modules/oslo-config/default.nix
+++ b/pkgs/development/python-modules/oslo-config/default.nix
@@ -43,7 +43,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   passthru.tests = {
-    pytest = callPackage ./tests.nix {};
+    tests = callPackage ./tests.nix {};
   };
 
   pythonImportsCheck = [ "oslo_config" ];
diff --git a/pkgs/development/python-modules/oslotest/default.nix b/pkgs/development/python-modules/oslotest/default.nix
index 66e06c8b3e72..aa646a08ee90 100644
--- a/pkgs/development/python-modules/oslotest/default.nix
+++ b/pkgs/development/python-modules/oslotest/default.nix
@@ -27,7 +27,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   passthru.tests = {
-    pytest = callPackage ./tests.nix {};
+    tests = callPackage ./tests.nix {};
   };
 
   pythonImportsCheck = [ "oslotest" ];
diff --git a/pkgs/development/python-modules/pbr/default.nix b/pkgs/development/python-modules/pbr/default.nix
index 9c46e638fc44..77e8d5c210a2 100644
--- a/pkgs/development/python-modules/pbr/default.nix
+++ b/pkgs/development/python-modules/pbr/default.nix
@@ -20,7 +20,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   passthru.tests = {
-    pytest = callPackage ./tests.nix { };
+    tests = callPackage ./tests.nix { };
   };
 
   pythonImportsCheck = [ "pbr" ];
diff --git a/pkgs/development/python-modules/stestr/default.nix b/pkgs/development/python-modules/stestr/default.nix
index 88259dc718e1..1e5f965a8026 100644
--- a/pkgs/development/python-modules/stestr/default.nix
+++ b/pkgs/development/python-modules/stestr/default.nix
@@ -40,7 +40,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   passthru.tests = {
-    pytest = callPackage ./tests.nix { };
+    tests = callPackage ./tests.nix { };
   };
 
   pythonImportsCheck = [ "stestr" ];