diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index d25de38..98c7ce3 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -36,4 +36,3 @@ jobs:
       uses: ./sipssert/actions/Run_Test
       with:
         test_set: ${{ matrix.test_set }}
-        params: ${{ matrix.params }}
diff --git a/environment.yml b/environment.yml
new file mode 100644
index 0000000..3a474ca
--- /dev/null
+++ b/environment.yml
@@ -0,0 +1,21 @@
+os:
+  - ubuntu-latest
+test_set:
+  - accounting
+  - auth
+  - b2b
+  - dialog
+  - permissions
+  - presence
+  - record-route
+  - registration
+  - startup
+  - stir-shaken
+  - topology-hiding
+  - uac-auth
+params:
+ - --exclude b2b/09.refer-unattended-uac-notify-fail
+ - --exclude b2b/10.refer-unattended-uas-notify-fail
+ - --exclude b2b/15.refer-unattended-uac-prov-notify-fail
+ - --exclude b2b/16.refer-unattended-uas-prov-notify-fail
+ - --exclude topology-hiding/02.th-no-dialog-username
diff --git a/matrix.yml b/matrix.yml
deleted file mode 100644
index 83ed138..0000000
--- a/matrix.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-os:
-  - ubuntu-latest
-test_set:
-  - accounting
-  - auth
-  - b2b
-  - dialog
-  - permissions
-  - presence
-  - record-route
-  - registration
-  - startup
-  - stir-shaken
-  - topology-hiding
-  - uac-auth
-params:
-  - --exclude topology-hiding/02.th-no-dialog-username
diff --git a/run-all.sh b/run-all.sh
index b64a195..138eca2 100755
--- a/run-all.sh
+++ b/run-all.sh
@@ -2,7 +2,7 @@
 
 yaml_list() {
 	test -n "${BASH_SOURCE[0]}" && DIR="$(dirname "${BASH_SOURCE[0]}")" || DIR=.
-	python3 -c "import yaml;print(' '.join(yaml.safe_load(open('$DIR/matrix.yml'))['$1']))"
+	python3 -c "import yaml;print(' '.join(yaml.safe_load(open('$DIR/environment.yml'))['$1']))"
 }
 
 # exclude tests that we know they fail for sure