Update test_fibonacci.py

tests/test_fibonacci.py

@@ -1,5 +1,13 @@
-from main.fibonacci import fibonacci
+import os
+import sys
+import git
+def get_main_git_root(path):
+    main_repo_root_dir = git.Repo(path, search_parent_directories=True).working_tree_dir
+    return main_repo_root_dir
+main_repo_root_dir = get_main_git_root('.')
+sys.path.append(main_repo_root_dir)
 
+from fibonacci import fibonacci
 
 def test_fibonacci():
     assert fibonacci(9) == 34