diff --git a/noxfile.py b/noxfile.py
index 16dbc36e9f68df41547430cac6f9f0ea47aff599..cda25f9d867ff9c5a949e687590afc91dd546a89 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -95,31 +95,37 @@ def typecheck(session: nox.Session):
     session.run("mypy", "src/lbmpy")
 
 
-def run_testsuite(session: nox.Session):
+def run_testsuite(session: nox.Session, coverage: bool = True):
     num_cores = os.cpu_count()
 
-    session.run(
+    args = [
         "pytest",
         "-v",
         "-n",
         str(num_cores),
-        "--cov-report=term",
-        "--cov=.",
         "-m",
         "not longrun",
         "--html",
         "test-report/index.html",
         "--junitxml=report.xml",
-    )
+    ]
+
+    if coverage:
+        args += [
+            "--cov-report=term",
+            "--cov=.",
+        ]
+
+    session.run(*args)
     session.run("coverage", "html")
     session.run("coverage", "xml")
-    
+
 
 @nox.session(python=["3.10", "3.11", "3.12", "3.13"])
 def testsuite_cpu(session: nox.Session):
     install_pystencils_master(session)
     editable_install(session, ["alltrafos", "use_cython", "interactive", "tests"])
-    run_testsuite(session)
+    run_testsuite(session, coverage=False)
 
 
 @nox.session(python=["3.10", "3.11", "3.12", "3.13"])
@@ -137,7 +143,9 @@ def testsuite_pystencils2(session: nox.Session, cupy_version: str | None):
     if cupy_version is not None:
         install_cupy(session, cupy_version, skip_if_no_cuda=True)
 
-    session.install("git+https://i10git.cs.fau.de/pycodegen/pystencils.git@v2.0-dev")
+    session.install(
+        "git+https://i10git.cs.fau.de/pycodegen/pystencils.git@fhennig/patches-for-lbmpy"
+    )
     editable_install(session, ["alltrafos", "use_cython", "interactive", "tests"])
 
     run_testsuite(session)
@@ -146,7 +154,9 @@ def testsuite_pystencils2(session: nox.Session, cupy_version: str | None):
 @nox.session
 def quicktest(session: nox.Session):
     parser = ArgumentParser()
-    parser.add_argument("--sympy-master", action="store_true", help="Use latest SymPy master revision")
+    parser.add_argument(
+        "--sympy-master", action="store_true", help="Use latest SymPy master revision"
+    )
     args = parser.parse_args(session.posargs)
 
     install_pystencils_master(session)