Fix imports to hopefully work in automated testing

Author: billsacks

tests/test_b_update.py

@@ -1,6 +1,6 @@
 import pytest
 from pathlib import Path
-from utils_for_tests import normalize_whitespace
+from tests.utils_for_tests import normalize_whitespace
 
 def test_basic_checkout(git_fleximod, test_repo, shared_repos):
     # Prepare a simple .gitmodules

tests/test_c_required.py

@@ -1,7 +1,7 @@
 import pytest
 import re
 from pathlib import Path
-from utils_for_tests import normalize_whitespace
+from tests.utils_for_tests import normalize_whitespace
 
 def test_required(git_fleximod, test_repo, shared_repos):
     file_path = (test_repo / ".gitmodules")

tests/test_d_complex.py

@@ -1,7 +1,7 @@
 import pytest
 from pathlib import Path
 from git_fleximod.gitinterface import GitInterface
-from utils_for_tests import normalize_whitespace
+from tests.utils_for_tests import normalize_whitespace
 
 def test_complex_checkout(git_fleximod, complex_repo, logger):
     status = git_fleximod(complex_repo, "status")

tests/test_e_complex_update.py

@@ -1,7 +1,7 @@
 import pytest
 from pathlib import Path
 from git_fleximod.gitinterface import GitInterface
-from utils_for_tests import normalize_whitespace
+from tests.utils_for_tests import normalize_whitespace
 
 def test_complex_update(git_fleximod, complex_update, logger):
     status = git_fleximod(complex_update, "status")