diff --git a/tests/compas/files/test_gltf.py b/tests/compas/files/test_gltf.py
index 4e680ad3025..b921ad5adb8 100644
--- a/tests/compas/files/test_gltf.py
+++ b/tests/compas/files/test_gltf.py
@@ -5,6 +5,7 @@
 from compas.files import GLTFContent
 from compas.tolerance import TOL
 
+# Temporary change the global precision in the TOL class to 12
 TOL.precision = 12
 
 BASE_FOLDER = os.path.dirname(__file__)
@@ -175,3 +176,7 @@ def test_gltf_content():
     assert len(node_0.children) == 0
     assert len(content.nodes) == 1
     assert len(scene.nodes) == 1
+
+
+# Reset the precision to its default value
+TOL.precision = TOL.PRECISION
diff --git a/tests/compas/files/test_stl.py b/tests/compas/files/test_stl.py
index 5f0aa4b5a3c..bb6ed2cddba 100644
--- a/tests/compas/files/test_stl.py
+++ b/tests/compas/files/test_stl.py
@@ -5,6 +5,7 @@
 from compas.files import STL
 from compas.tolerance import TOL
 
+# Temporary change the global precision in the TOL class to 12
 TOL.precision = 12
 
 BASE_FOLDER = os.path.dirname(__file__)
@@ -43,3 +44,7 @@ def test_binary_read_write_fidelity():
     mesh_2 = Mesh.from_stl(fp)
     assert mesh.adjacency == mesh_2.adjacency
     assert mesh.vertex == mesh_2.vertex
+
+
+# Reset the precision to its default value
+TOL.precision = TOL.PRECISION
diff --git a/tests/compas/test_tolerance.py b/tests/compas/test_tolerance.py
new file mode 100644
index 00000000000..792137f59d9
--- /dev/null
+++ b/tests/compas/test_tolerance.py
@@ -0,0 +1,25 @@
+from compas.tolerance import TOL
+from compas.tolerance import Tolerance
+from compas.geometry import Point
+
+
+def test_tolerance_default_tolerance():
+    assert TOL.precision == Tolerance.PRECISION
+    assert TOL.precision == 3
+
+
+def test_tolerance_format_number():
+    assert TOL.format_number(0, precision=3) == "0.000"
+    assert TOL.format_number(0.5, precision=3) == "0.500"
+    assert TOL.format_number(float(0), precision=3) == "0.000"
+
+
+def test_tolerance_format_number_with_default_precision():
+    assert TOL.format_number(0) == "0.000"
+    assert TOL.format_number(0.5) == "0.500"
+    assert TOL.format_number(float(0)) == "0.000"
+
+
+def test_tolerance_format_point():
+    point = Point(0, 0, 0)
+    assert str(point) == "Point(x=0.000, y=0.000, z=0.000)"