diff --git a/.github/scripts/tests/transform-ya-junit.py b/.github/scripts/tests/transform-ya-junit.py
index 39eac048c09..611191367fb 100755
--- a/.github/scripts/tests/transform-ya-junit.py
+++ b/.github/scripts/tests/transform-ya-junit.py
@@ -173,6 +173,7 @@ def transform(
     log_url_prefix,
     log_out_dir,
     log_trunc_size,
+    output,
 ):
     tree = ET.parse(fp)
     root = tree.getroot()
@@ -225,8 +226,11 @@ def transform(
     if save_inplace:
         tree.write(fp.name)
     else:
-        ET.indent(root)
-        print(ET.tostring(root, encoding="unicode"))
+        if output:
+            tree.write(output)
+        else:
+            ET.indent(root)
+            print(ET.tostring(root, encoding="unicode"))
 
 
 def main():
@@ -238,6 +242,15 @@ def main():
         default=False,
         help="modify input file in-place",
     )
+    parser.add_argument(
+        "-o",
+        "--output",
+        dest="output",
+        default=False,
+        help="""set output path. If -i specified this parameter will be ignored.
+                If -i not specified and this parameter also not specified
+                everything will be dumped to stdout""",
+    )
     parser.add_argument("-m", help="muted test list")
     parser.add_argument("--log-url-prefix", default="./", help="url prefix for logs")
     parser.add_argument("--log-out-dir", help="symlink logs to specific directory")
@@ -268,6 +281,7 @@ def main():
         args.log_url_prefix,
         args.log_out_dir,
         args.log_trunc_size,
+        args.output,
     )
 
 
diff --git a/.github/workflows/github_actions_scripts.yaml b/.github/workflows/github_actions_scripts.yaml
new file mode 100644
index 00000000000..169ab1c81cf
--- /dev/null
+++ b/.github/workflows/github_actions_scripts.yaml
@@ -0,0 +1,92 @@
+name: NBS Github Actions script testing
+on:
+  workflow_dispatch:
+  workflow_call:
+
+jobs:
+  index:
+    name: Test GA scripts
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Prepare VM
+      uses: ./.github/actions/prepare
+    - name: Prepare env
+      shell: bash
+      run: |
+        echo "SHELLOPTS=$SHELLOPTS:xtrace" >> $GITHUB_ENV
+        echo "TMP_DIR=$(mktemp -d)" >> $GITHUB_ENV
+    - name: Prepare test data
+      shell: bash
+      run: |
+        set -x
+        mkdir -p $GITHUB_WORKSPACE/.github/scripts/tests/test-data/
+        cd $GITHUB_WORKSPACE/.github/scripts/tests/test-data/
+        wget https://storage.ai.nebius.cloud/github-actions-test-data/cloud.tar.gz
+        tar zxvf cloud.tar.gz
+    - name: Launch transform-ya-junit.py
+      shell: bash
+      run: |
+        set -x
+        echo "::group::transform-junit"
+        python3 .github/scripts/tests/transform-ya-junit.py \
+          --output "$TMP_DIR/junit.xml" \
+          -m .github/config/muted_ya.txt \
+          --ya-out "$GITHUB_WORKSPACE/.github/scripts/tests/test-data/" \
+          --log-url-prefix "LOG_URL_PREFIX" \
+          --log-out-dir "$TMP_DIR" \
+          ".github/scripts/tests/test-data/junit.xml"
+        echo "::endgroup::"
+
+    - name: Launch generate-summary.py
+      shell: bash
+      run: |
+        set -x
+        echo "::group::generate-summary"
+        python3 .github/scripts/tests/generate-summary.py \
+          --summary-out-path "$TMP_DIR" \
+          --summary-out-env-path "$TMP_DIR/summary_env" \
+          --summary-url-prefix "SUMMARY_URL_PREFIX" \
+          --build-preset "linux-x64-relwithdebinfo" \
+          "Tests" ya-test.html "$TMP_DIR/junit.xml"
+        echo "::endgroup::"
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        GITHUB_REPOSITORY: "ydb-platform/nbs"
+
+    - name: Launch fail-checker.py
+      shell: bash
+      run: |
+        set -x
+        echo "::group::fail-checker"
+        python3 .github/scripts/tests/fail-checker.py "$TMP_DIR/junit.xml" --paths-only | sort | tee -a "$TMP_DIR/fail-checker"
+        echo "::endgroup::"
+    - name: check md5
+      shell: bash
+      run: |
+        echo "::group::check-md5"
+        # find . -type f -exec md5sum {} + > ../test-data/MD5SUMS
+        cp .github/scripts/tests/test-data/MD5SUMS $TMP_DIR/MD5SUMS
+        cd $TMP_DIR
+        md5sum -c MD5SUMS | tee -a RESULT
+        echo "::endgroup::"
+    - name: additional info in case of failure
+      if: failure()
+      shell: bash
+      run: |
+        cd $TMP_DIR
+        grep FAILED RESULT | awk -F: '{print $1}' | while read f;
+        do
+          echo "=========="
+          echo $f
+          cat $f
+          grep $f MD5SUMS
+          md5sum $f
+          if [ -f "${GITHUB_WORKSPACE}/.github/scripts/tests/test-data/${f}" ];
+          then
+            diff -u ${GITHUB_WORKSPACE}/.github/scripts/tests/test-data/${f} ${f}
+          fi
+          echo "=========="
+        done
+
diff --git a/.github/workflows/pr-github-actions.yaml b/.github/workflows/pr-github-actions.yaml
index 259656b4637..fe53b7ee1c1 100644
--- a/.github/workflows/pr-github-actions.yaml
+++ b/.github/workflows/pr-github-actions.yaml
@@ -17,6 +17,10 @@ defaults:
   run:
     shell: bash
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
 jobs:
   shell:
     runs-on: ubuntu-latest
@@ -123,4 +127,8 @@ jobs:
               owner: context.repo.owner,
               repo: context.repo.repo,
               body: '${{ steps.lint.outputs.WORKFLOW_LINT }}'
-            })
\ No newline at end of file
+            })
+  nbs-github-actions:
+    name: Launch scripts on test-data
+    uses: ./.github/workflows/github_actions_scripts.yaml
+    secrets: inherit
\ No newline at end of file