diff --git a/python/edu/course-creator/resources/fileTemplates/internal/test_helper.py.ft b/python/edu/course-creator/resources/fileTemplates/internal/test_helper.py.ft
index 313b9150c467..c08945e0a747 100644
--- a/python/edu/course-creator/resources/fileTemplates/internal/test_helper.py.ft
+++ b/python/edu/course-creator/resources/fileTemplates/internal/test_helper.py.ft
@@ -46,9 +46,9 @@ def check_importable_path(path):
     try:
         import_file(path)
     except:
-        failed("File contains syntax errors", test_file_importable.__name__)
+        failed("File contains syntax errors", test_file_importable.func_name)
         return
-    passed(test_file_importable.__name__)
+    passed(test_file_importable.func_name)
 
 
 def import_file(path):
@@ -126,11 +126,11 @@ def test_text_equals(text, error_text):
         failed(error_text)
 
 
-def test_window_text_deleted(error_text="Don't just delete task text"):
+def test_answer_placeholders_text_deleted(error_text="Don't just delete task text"):
     """
-        Checks that task windows are not empty
+        Checks that all answer placeholders are not empty
     """
-    windows = get_task_windows()
+    windows = get_answer_placeholders()
 
     for window in windows:
         if len(window) == 0:
@@ -153,9 +153,9 @@ def passed(name=None):
     print("#educational_plugin " + name + " test OK")
 
 
-def get_task_windows(file_name=None):
+def get_answer_placeholders(file_name=None):
     """
-        Returns all task windows
+        Returns all answer placeholders text
     """
     prefix = "#educational_plugin_window = "
     import os
@@ -198,4 +198,4 @@ def run_common_tests(error_text="Please, reload file and try again"):
     test_file_importable()
     test_is_not_empty()
     test_is_initial_text(error_text)
-    test_window_text_deleted(error_text)
\ No newline at end of file
+    test_answer_placeholders_text_deleted(error_text)
\ No newline at end of file
diff --git a/python/edu/course-creator/resources/fileTemplates/internal/tests.py.ft b/python/edu/course-creator/resources/fileTemplates/internal/tests.py.ft
index 788d6f93c49c..c6e2c659a000 100644
--- a/python/edu/course-creator/resources/fileTemplates/internal/tests.py.ft
+++ b/python/edu/course-creator/resources/fileTemplates/internal/tests.py.ft
@@ -1,10 +1,10 @@
-from test_helper import run_common_tests, failed, passed, get_task_windows
+from test_helper import run_common_tests, failed, passed, get_answer_placeholders
 
 
-def test_task_windows():
-    windows = get_task_windows()
-    window = windows[0]
-    if window == "":       # TODO: your condition here
+def test_answer_placeholders():
+    placeholders = get_answer_placeholders()
+    placeholder = placeholders[0]
+    if placeholder == "":       # TODO: your condition here
         passed()
     else:
         failed()
@@ -12,6 +12,6 @@ def test_task_windows():
 
 if __name__ == '__main__':
     run_common_tests()
-    # test_task_windows()       # TODO: uncomment test call
+    # test_answer_placeholders()       # TODO: uncomment test call
 
 
diff --git a/python/edu/learn-python/resources/courses/introduction_course.zip b/python/edu/learn-python/resources/courses/introduction_course.zip
index d6a4303a0a0f..d84a8d2a80cb 100644
Binary files a/python/edu/learn-python/resources/courses/introduction_course.zip and b/python/edu/learn-python/resources/courses/introduction_course.zip differ