diff --git a/lib/a_name_error.py b/lib/a_name_error.py
index 841d7921b..2a41a5d68 100644
--- a/lib/a_name_error.py
+++ b/lib/a_name_error.py
@@ -1,3 +1,3 @@
 #!/usr/bin/env python3
 
-print(hello_world)
+print('hello_world')
diff --git a/lib/a_syntax_error.py b/lib/a_syntax_error.py
index 0ba09ba5b..864ea00ad 100644
--- a/lib/a_syntax_error.py
+++ b/lib/a_syntax_error.py
@@ -1,3 +1,3 @@
 #!/usr/bin/env python3
 
-poor_syntax = 2 * #
+poor_syntax = 2 * 3
diff --git a/lib/a_type_error.py b/lib/a_type_error.py
index db7a7f238..61830a929 100644
--- a/lib/a_type_error.py
+++ b/lib/a_type_error.py
@@ -1,3 +1,13 @@
-#!/usr/bin/env python3
+# lib_test.py
 
-wrong_type = 'abc' + 123
+import pytest
+import lib.a_type_error  # Import the module directly
+
+class TestTypeError:
+    def test_type_error(self):
+        '''
+        adds two numbers
+        '''
+        with pytest.raises(TypeError):
+            # Execute the code directly without using runpy.run_path
+            lib.a_type_error.wrong_type = 'abc' + str(123)
diff --git a/lib/an_assertion_error.py b/lib/an_assertion_error.py
index 3f12d9bf4..135f7ef68 100644
--- a/lib/an_assertion_error.py
+++ b/lib/an_assertion_error.py
@@ -1,3 +1,4 @@
 #!/usr/bin/env python3
 
-assert(1 == 2)
+assert 1 == 1
+
diff --git a/lib/testing/lib_test.py b/lib/testing/lib_test.py
index 628bcf039..555d2d739 100644
--- a/lib/testing/lib_test.py
+++ b/lib/testing/lib_test.py
@@ -2,6 +2,7 @@
 
 import runpy
 
+
 class TestNameError:
     '''
     a_name_error.py
@@ -12,7 +13,8 @@ def test_name_error(self):
         contains defined name "hello_world"
         '''
 
-        runpy.run_path('lib/a_name_error.py')
+        runpy.run_path('./lib/a_name_error.py')
+
 
 class TestSyntaxError:
     '''