diff --git a/.github/workflows/regression.yml b/.github/workflows/regression.yml
index 7b8ecf1..7a8618d 100644
--- a/.github/workflows/regression.yml
+++ b/.github/workflows/regression.yml
@@ -6,16 +6,13 @@ on: ["push", "pull_request"]
 
 
 jobs:
-
-  ubuntu20:
-    runs-on: ubuntu-20.04
+  ubuntu22:
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout
         uses: actions/checkout@v2.3.4
 
-
-
       - name: Prepare
         run: sudo apt update && sudo apt install zfsutils-linux lzop pigz zstd gzip xz-utils lz4 mbuffer && sudo -H pip3 install coverage unittest2 mock==3.0.5 coveralls
 
@@ -29,17 +26,15 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: coveralls --service=github || true
 
-  ubuntu18:
-    runs-on: ubuntu-18.04
+  ubuntu20:
+    runs-on: ubuntu-20.04
 
     steps:
       - name: Checkout
         uses: actions/checkout@v2.3.4
 
-
-
       - name: Prepare
-        run: sudo apt update && sudo apt install zfsutils-linux python3-setuptools lzop pigz zstd gzip xz-utils liblz4-tool mbuffer && sudo -H pip3 install coverage unittest2 mock==3.0.5 coveralls
+        run: sudo apt update && sudo apt install zfsutils-linux lzop pigz zstd gzip xz-utils lz4 mbuffer && sudo -H pip3 install coverage unittest2 mock==3.0.5 coveralls
 
 
       - name: Regression test
@@ -51,8 +46,8 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: coveralls --service=github || true
 
-  ubuntu18_python2:
-    runs-on: ubuntu-18.04
+  ubuntu20_python2:
+    runs-on: ubuntu-20.04
 
     steps:
       - name: Checkout
@@ -64,13 +59,16 @@ jobs:
           python-version: '2.x'
 
       - name: Prepare
-        run: sudo apt update && sudo apt install zfsutils-linux python-setuptools lzop pigz zstd gzip xz-utils liblz4-tool mbuffer && sudo -H pip install coverage unittest2 mock==3.0.5 coveralls colorama
+        run: sudo apt update && sudo apt install zfsutils-linux lzop pigz zstd gzip xz-utils lz4 mbuffer && sudo -H pip3 install coverage unittest2 mock==3.0.5 coveralls
+
 
       - name: Regression test
         run: sudo -E ./tests/run_tests
 
+
       - name: Coveralls
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: coveralls --service=github || true
+
+
diff --git a/tests/test_zfsnode.py b/tests/test_zfsnode.py
index 4cc1baf..f32216b 100644
--- a/tests/test_zfsnode.py
+++ b/tests/test_zfsnode.py
@@ -84,7 +84,7 @@ test_target1
         with self.subTest("Test if all cmds are executed correctly (no failures)"):
             with OutputIO() as buf:
                 with redirect_stdout(buf):
-                    (selected_datasets, excluded_datasets) =node.selected_datasets(property_name="autobackup:test", exclude_paths=[], exclude_received=False, exclude_unchanged=False, min_change=1)
+                    (selected_datasets, excluded_datasets) =node.selected_datasets(property_name="autobackup:test", exclude_paths=[], exclude_received=False, exclude_unchanged=0)
                     node.consistent_snapshot(selected_datasets, "test-1",
                                              0,
                                              pre_snapshot_cmds=["echo pre1", "echo pre2"],
@@ -101,7 +101,7 @@ test_target1
             with OutputIO() as buf:
                 with redirect_stdout(buf):
                     with self.assertRaises(ExecuteError):
-                        (selected_datasets, excluded_datasets) =node.selected_datasets(property_name="autobackup:test", exclude_paths=[], exclude_received=False, exclude_unchanged=False, min_change=1)
+                        (selected_datasets, excluded_datasets) =node.selected_datasets(property_name="autobackup:test", exclude_paths=[], exclude_received=False, exclude_unchanged=0)
                         node.consistent_snapshot(selected_datasets, "test-1",
                                                  0,
                                                  pre_snapshot_cmds=["echo pre1", "false", "echo pre2"],
@@ -119,7 +119,7 @@ test_target1
                 with redirect_stdout(buf):
                     with self.assertRaises(ExecuteError):
                         #same snapshot name as before so it fails
-                        (selected_datasets, excluded_datasets) =node.selected_datasets(property_name="autobackup:test", exclude_paths=[], exclude_received=False, exclude_unchanged=False, min_change=1)
+                        (selected_datasets, excluded_datasets) =node.selected_datasets(property_name="autobackup:test", exclude_paths=[], exclude_received=False, exclude_unchanged=0)
                         node.consistent_snapshot(selected_datasets, "test-1",
                                                  0,
                                                  pre_snapshot_cmds=["echo pre1", "echo pre2"],