diff --git a/tests/test_pysnooper.py b/tests/test_pysnooper.py
index 9453d49..892ae0d 100644
--- a/tests/test_pysnooper.py
+++ b/tests/test_pysnooper.py
@@ -1259,12 +1259,12 @@ def test_class():
         output,
         (
             SourcePathEntry(),
-            VariableEntry('self', value_regex="u?.*<locals>.MyClass object at"),
+            VariableEntry('self', value_regex="u?.+<locals>.MyClass object at"),
             CallEntry('def __init__(self):'),
             LineEntry('self.x = 7'),
             ReturnEntry('self.x = 7'),
             ReturnValueEntry('None'),
-            VariableEntry('self', value_regex="u?.*<locals>.MyClass object at"),
+            VariableEntry('self', value_regex="u?.+<locals>.MyClass object at"),
             VariableEntry('foo', value_regex="u?'baba'"),
             CallEntry('def my_method(self, foo):'),
             LineEntry('y = 8'),
@@ -1302,14 +1302,14 @@ def test_class_with_decorated_method():
         output,
         (
             SourcePathEntry(),
-            VariableEntry('self', value_regex="u?.*<locals>.MyClass object at"),
+            VariableEntry('self', value_regex="u?.+<locals>.MyClass object at"),
             CallEntry('def __init__(self):'),
             LineEntry('self.x = 7'),
             ReturnEntry('self.x = 7'),
             ReturnValueEntry('None'),
-            VariableEntry('args', value_regex="u?.*"),
-            VariableEntry('kwargs', value_regex="u?.*"),
-            VariableEntry('function', value_regex="u?.*<locals>.MyClass.my_method at"),
+            VariableEntry('args', value_regex=r"\(<.+>, 'baba'\)"),
+            VariableEntry('kwargs', value_regex=r"\{\}"),
+            VariableEntry('function', value_regex="u?.+<locals>.MyClass.my_method at"),
             CallEntry('def wrapper(*args, **kwargs):'),
             LineEntry('result = function(*args, **kwargs)'),
             VariableEntry('result', '15'),
@@ -1353,8 +1353,8 @@ def test_class_with_decorated_method_and_snoop_applied_to_method():
             LineEntry('self.x = 7'),
             ReturnEntry('self.x = 7'),
             ReturnValueEntry('None'),
-            VariableEntry('args', value_regex="u?.*"),
-            VariableEntry('kwargs', value_regex="u?.*"),
+            VariableEntry('args', value_regex=r"u?\(<.+>, 'baba'\)"),
+            VariableEntry('kwargs', value_regex=r"u?\{\}"),
             VariableEntry('function', value_regex="u?.*<locals>.MyClass.my_method at"),
             CallEntry('def wrapper(*args, **kwargs):'),
             LineEntry('result = function(*args, **kwargs)'),