resolve more typos

pennylane_lightning/core/src/simulators/lightning_gpu/measurements/tests/mpi/Test_StateVectorCudaMPI_Measure.cpp

@@ -329,9 +329,6 @@ TEMPLATE_TEST_CASE("Variances", "[MeasurementsMPI]", double) {
 
     // Initializing the Measurements class.
     // This object attaches to the statevector allowing several measures.
-    // MeasurementsMPI<StateVectorT> Measurer(sv);
-    // mpi_manager.Barrier();
-
     SECTION("Testing single operation defined by a matrix:") {
         MeasurementsMPI<StateVectorT> Measurer(sv);
         mpi_manager.Barrier();

pennylane_lightning/core/src/simulators/lightning_gpu/utils/tests/mpi/Test_CSRMatrix.cpp

@@ -1,3 +1,16 @@
+// Copyright 2022-2023 Xanadu Quantum Technologies Inc.
+
+// 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.
 #include <algorithm>
 #include <complex>
 #include <iostream>

pennylane_lightning/core/src/simulators/lightning_gpu/utils/tests/mpi/Test_MPIManager.cpp

@@ -1,3 +1,16 @@
+// Copyright 2022-2023 Xanadu Quantum Technologies Inc.
+
+// 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.
 #include <algorithm>
 #include <complex>
 #include <iostream>