diff --git a/datalad_next/patches/tests/test_push.py b/datalad_next/patches/tests/test_push.py
index 7f2c809e..d8f1f18b 100644
--- a/datalad_next/patches/tests/test_push.py
+++ b/datalad_next/patches/tests/test_push.py
@@ -57,10 +57,18 @@ def test_nested_pushclone_cycle_allplatforms(origpath=None, storepath=None, clon
     from datalad.cmd import WitlessRunner as Runner
     run = Runner().run
 
+    os.environ['DATALAD_EXTENSIONS_LOAD'] = 'next'
+
     # create original nested dataset
     with chpwd(origpath):
-        run(['datalad', 'create', 'super'])
-        run(['datalad', 'create', '-d', 'super', str(Path('super', 'sub'))])
+        run(['datalad', 'create', 'super'], env=os.environ)
+        run(
+            [
+                'datalad', 'create', '-d', 'super',
+                str(Path('super', 'sub'))
+            ],
+            env=os.environ
+        )
 
     # verify essential linkage properties
     orig_super = Dataset(Path(origpath, 'super'))
@@ -69,7 +77,7 @@ def test_nested_pushclone_cycle_allplatforms(origpath=None, storepath=None, clon
     (orig_super.pathobj / 'file1.txt').write_text('some1')
     (orig_sub.pathobj / 'file2.txt').write_text('some1')
     with chpwd(orig_super.path):
-        run(['datalad', 'save', '--recursive'])
+        run(['datalad', 'save', '--recursive'], env=os.environ)
 
     # TODO not yet reported clean with adjusted branches
     #assert_repo_status(orig_super.path)
@@ -93,9 +101,17 @@ def test_nested_pushclone_cycle_allplatforms(origpath=None, storepath=None, clon
     # (i.e. no impact of an annex-init of any kind)
     store_url = 'ria+' + get_local_file_url(storepath)
     with chpwd(orig_super.path):
-        run(['datalad', 'create-sibling-ria', '--recursive',
-             '-s', 'store', store_url, '--new-store-ok'])
-        run(['datalad', 'push', '--recursive', '--to', 'store'])
+        run(
+            [
+                'datalad', 'create-sibling-ria', '--recursive',
+                '-s', 'store', store_url, '--new-store-ok'
+            ],
+            env=os.environ
+        )
+        run(
+            ['datalad', 'push', '--recursive', '--to', 'store'],
+            env=os.environ
+        )
 
     # we are using the 'store' sibling's URL, which should be a plain path
     store_super = AnnexRepo(orig_super.siblings(name='store')[0]['url'], init=False)
@@ -109,8 +125,14 @@ def test_nested_pushclone_cycle_allplatforms(origpath=None, storepath=None, clon
     # and reobtain from a store
     cloneurl = 'ria+' + get_local_file_url(str(storepath), compatibility='git')
     with chpwd(clonepath):
-        run(['datalad', 'clone', cloneurl + '#' + orig_super.id, 'super'])
-        run(['datalad', '-C', 'super', 'get', '--recursive', '.'])
+        run(
+            ['datalad', 'clone', cloneurl + '#' + orig_super.id, 'super'],
+            env=os.environ
+        )
+        run(
+            ['datalad', '-C', 'super', 'get', '--recursive', '.'],
+            env=os.environ
+        )
 
     # verify that nothing has changed as a result of a push/clone cycle
     clone_super = Dataset(Path(clonepath, 'super'))