fix: tests

Author: mkundu1

tests/conftest.py

@@ -196,7 +196,7 @@ def mock_awp_vars(self, version=None):
             version = FluentVersion.current_release()
         elif not isinstance(version, FluentVersion):
             version = FluentVersion(version)
-        self.monkeypatch.setattr(pyfluent.config, "fluent_root", None)
+        self.monkeypatch.delenv("PYFLUENT_FLUENT_ROOT", raising=False)
         for fv in FluentVersion:
             if fv <= version:
                 self.monkeypatch.setenv(fv.awp_var, f"ansys_inc/{fv.name}")

tests/test_launcher.py

@@ -374,7 +374,7 @@ def test_get_fluent_exe_path_from_product_version_launcher_arg(helpers):
 
 def test_get_fluent_exe_path_from_pyfluent_fluent_root(helpers, monkeypatch):
     helpers.mock_awp_vars()
-    monkeypatch.setattr(pyfluent.config, "fluent_root", "dev/vNNN/fluent")
+    monkeypatch.setenv("PYFLUENT_FLUENT_ROOT", "dev/vNNN/fluent")
     if platform.system() == "Windows":
         expected_path = Path("dev/vNNN/fluent") / "ntbin" / "win64" / "fluent.exe"
     else: