[Test][CI] Lowers tolerance threshold

Author: lukbrb

tests/test_no_regression.py

@@ -21,7 +21,7 @@
 FV2D_EXE = Path(__file__).parent.parent / "build" / "fv2d"
 FV2D_TMP_DIR  = Path(__file__).parent / "tmp_test_dir" # for improvement see : https://docs.pytest.org/en/stable/how-to/tmp_path.html
 FV2D_TMP_DIR.mkdir(exist_ok=True)
-TOLERANCE = 1e-3
+TOLERANCE = 1e-2
 
 
 def run_problem(inifile: str) -> None: