MLECO-3583: Update copyright notice according to new guidelines

Change-Id: I0f057b33993e5196a60e52f4fb0c60e09693dcfe
diff --git a/tests/use_case/noise_reduction/InferenceTestRNNoise.cc b/tests/use_case/noise_reduction/InferenceTestRNNoise.cc
index fdc59c1..3cdaee1 100644
--- a/tests/use_case/noise_reduction/InferenceTestRNNoise.cc
+++ b/tests/use_case/noise_reduction/InferenceTestRNNoise.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-FileCopyrightText: Copyright 2021 Arm Limited and/or its affiliates <open-source-office@arm.com>
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/tests/use_case/noise_reduction/NoiseReductionTests.cc b/tests/use_case/noise_reduction/NoiseReductionTests.cc
index 09f82da..8ca3ee2 100644
--- a/tests/use_case/noise_reduction/NoiseReductionTests.cc
+++ b/tests/use_case/noise_reduction/NoiseReductionTests.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-FileCopyrightText: Copyright 2021 Arm Limited and/or its affiliates <open-source-office@arm.com>
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/tests/use_case/noise_reduction/RNNNoiseUCTests.cc b/tests/use_case/noise_reduction/RNNNoiseUCTests.cc
index 144fc9f..d835c21 100644
--- a/tests/use_case/noise_reduction/RNNNoiseUCTests.cc
+++ b/tests/use_case/noise_reduction/RNNNoiseUCTests.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
+ * SPDX-FileCopyrightText: Copyright 2021-2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/tests/use_case/noise_reduction/RNNUCTestCaseData.hpp b/tests/use_case/noise_reduction/RNNUCTestCaseData.hpp
index 85793cf..4e8a6c7 100644
--- a/tests/use_case/noise_reduction/RNNUCTestCaseData.hpp
+++ b/tests/use_case/noise_reduction/RNNUCTestCaseData.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-FileCopyrightText: Copyright 2021 Arm Limited and/or its affiliates <open-source-office@arm.com>
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/tests/use_case/noise_reduction/RNNoiseModelTests.cc b/tests/use_case/noise_reduction/RNNoiseModelTests.cc
index 7bd83b1..7262275 100644
--- a/tests/use_case/noise_reduction/RNNoiseModelTests.cc
+++ b/tests/use_case/noise_reduction/RNNoiseModelTests.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-FileCopyrightText: Copyright 2021 Arm Limited and/or its affiliates <open-source-office@arm.com>
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/tests/use_case/noise_reduction/RNNoiseProcessingTests.cpp b/tests/use_case/noise_reduction/RNNoiseProcessingTests.cpp
index ca5aab1..905f364 100644
--- a/tests/use_case/noise_reduction/RNNoiseProcessingTests.cpp
+++ b/tests/use_case/noise_reduction/RNNoiseProcessingTests.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Arm Limited. All rights reserved.
+ * SPDX-FileCopyrightText: Copyright 2021-2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");