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diff --git a/src/test/java/org/onap/dcae/TestingUtilities.java b/src/test/java/org/onap/dcae/TestingUtilities.java
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+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dcaegen2.collectors.ves
+ * ================================================================================
+ * Copyright (C) 2018 Nokia. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae;
+
+import static java.nio.file.Files.readAllBytes;
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import io.vavr.control.Try;
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import org.assertj.core.api.AbstractThrowableAssert;
+import org.assertj.core.api.Java6Assertions;
+import org.json.JSONObject;
+
+/**
+ * @author Pawel Szalapski (pawel.szalapski@nokia.com)
+ */
+public final class TestingUtilities {
+
+    private TestingUtilities() {
+        // utility class, no objects allowed
+    }
+
+    public static void assertJSONObjectsEqual(JSONObject o1, JSONObject o2) {
+        assertThat(o1.toString()).isEqualTo(o2.toString());
+    }
+
+    public static JSONObject readJSONFromFile(Path path) {
+        return rethrow(() -> new JSONObject(readFile(path)));
+    }
+
+    public static String readFile(Path path) {
+        return rethrow(() -> new String(readAllBytes(path)));
+    }
+
+    public static Path createTemporaryFile(String content) {
+        return rethrow(() -> {
+            File temp = File.createTempFile("ves-collector-tests-created-this-file", ".tmp");
+            temp.deleteOnExit();
+            Path filePath = Paths.get(temp.toString());
+            Files.write(filePath, content.getBytes());
+            return filePath;
+        });
+    }
+
+    /**
+     * Exception in test case usually means there is something wrong, it should never be catched, but rather thrown to
+     * be handled by JUnit framework.
+     */
+    private static <T> T rethrow(CheckedSupplier<T> supplier) {
+        try {
+            return supplier.get();
+        } catch (Exception e) {
+            throw new RuntimeException();
+        }
+    }
+
+    @FunctionalInterface
+    interface CheckedSupplier<T> {
+
+        T get() throws Exception;
+    }
+
+
+    public static void assertFailureHasInfo(Try any, String... msgPart) {
+        Java6Assertions.assertThat(any.isFailure()).isTrue();
+        AbstractThrowableAssert<?, ? extends Throwable> o = Java6Assertions.assertThat(any.getCause())
+            .hasCauseInstanceOf(Exception.class);
+        for (String s : msgPart) {
+            o.hasStackTraceContaining(s);
+        }
+    }
+}