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diff --git a/ice_validator/app_tests/test_helpers.py b/ice_validator/app_tests/test_helpers.py
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+++ b/ice_validator/app_tests/test_helpers.py
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+# -*- coding: utf8 -*-
+# ============LICENSE_START====================================================
+# org.onap.vvp/validation-scripts
+# ===================================================================
+# Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+# ===================================================================
+#
+# Unless otherwise specified, all software contained herein is licensed
+# under the Apache License, Version 2.0 (the "License");
+# you may not use this software except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#             http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+#
+# Unless otherwise specified, all documentation contained herein is licensed
+# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
+# you may not use this documentation except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#             https://creativecommons.org/licenses/by/4.0/
+#
+# Unless required by applicable law or agreed to in writing, documentation
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# ============LICENSE_END============================================
+from pathlib import Path
+
+import pytest
+
+from tests.helpers import check, first, unzip, remove
+
+THIS_DIR = Path(__file__).parent
+
+
+def test_check_fail():
+    with pytest.raises(RuntimeError, match="pre-condition failed"):
+        check(False, "pre-condition failed")
+
+
+def test_check_pass():
+    check(True, "pre-condition failed")
+
+
+def test_first_found():
+    result = first(range(1, 10), lambda x: x % 4 == 0)
+    assert result == 4
+
+
+def test_first_not_found():
+    result = first(range(1, 3), lambda x: x % 4 == 0)
+    assert result is None
+
+
+def test_first_custom_default():
+    result = first(range(1, 3), lambda x: x % 4 == 0, default="not found")
+    assert result == "not found"
+
+
+def test_unzip_success(tmpdir):
+    test_zip = THIS_DIR / "test_data.zip"
+    target_dir = tmpdir.join("sub-dir")
+    unzip(test_zip, target_dir)
+    assert "data.txt" in (p.basename for p in target_dir.listdir())
+
+
+def test_unzip_not_found(tmpdir):
+    test_zip = THIS_DIR / "test_data1.zip"
+    with pytest.raises(RuntimeError, match="not a valid zipfile"):
+        unzip(test_zip, tmpdir)
+
+
+def test_remove_with_no_key():
+    assert remove([1, 2, 3, 4], [3]) == [1, 2, 4]
+
+
+def test_remove_with_key():
+    assert remove(["a", "b", "c", "d"], ["A"], lambda s: s.upper()) == ["b", "c", "d"]