diff --git a/tests/Globals.h b/tests/Globals.h
index 2a13f34..db79e33 100644
--- a/tests/Globals.h
+++ b/tests/Globals.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2019 ARM Limited.
+ * Copyright (c) 2017-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -34,6 +34,7 @@
 namespace test
 {
 extern std::unique_ptr<AssetsLibrary>     library;
+extern std::unique_ptr<AssetsLibrary>     fixed_library;
 extern std::unique_ptr<ParametersLibrary> parameters;
 } // namespace test
 } // namespace arm_compute
diff --git a/tests/main.cpp b/tests/main.cpp
index bbb43c9..17342fc 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -75,7 +75,11 @@
 {
 namespace test
 {
-std::unique_ptr<AssetsLibrary>            library;
+std::unique_ptr<AssetsLibrary> library;
+
+static constexpr uint32_t      fixed_seed = 1;
+std::unique_ptr<AssetsLibrary> fixed_library;
+
 extern std::unique_ptr<ParametersLibrary> parameters;
 } // namespace test
 } // namespace arm_compute
@@ -308,7 +312,8 @@
             return 0;
         }
 
-        library = support::cpp14::make_unique<AssetsLibrary>(assets->value(), seed->value());
+        library       = support::cpp14::make_unique<AssetsLibrary>(assets->value(), seed->value());
+        fixed_library = support::cpp14::make_unique<AssetsLibrary>(assets->value(), fixed_seed);
 
         if(!parser.validate())
         {
diff --git a/tests/validate_examples/RunExample.cpp b/tests/validate_examples/RunExample.cpp
index 5d5291a..998d501 100644
--- a/tests/validate_examples/RunExample.cpp
+++ b/tests/validate_examples/RunExample.cpp
@@ -53,6 +53,8 @@
 namespace test
 {
 std::unique_ptr<AssetsLibrary> library;
+static constexpr uint32_t      fixed_seed = 1;
+std::unique_ptr<AssetsLibrary> fixed_library;
 } // namespace test
 namespace utils
 {
@@ -136,7 +138,8 @@
         g_example_argv.emplace_back(const_cast<char *>(arg.c_str())); // NOLINT
     }
 
-    library = support::cpp14::make_unique<AssetsLibrary>("." /* Only using random values */, seed->value());
+    library       = support::cpp14::make_unique<AssetsLibrary>("." /* Only using random values */, seed->value());
+    fixed_library = support::cpp14::make_unique<AssetsLibrary>(".", fixed_seed);
 
     if(options.log_level->value() > framework::LogLevel::NONE)
     {
diff --git a/tests/validation/CL/Copy.cpp b/tests/validation/CL/Copy.cpp
index fdbd07b..34ba3ab 100644
--- a/tests/validation/CL/Copy.cpp
+++ b/tests/validation/CL/Copy.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -67,6 +67,7 @@
 template <typename T>
 using CLCopyFixture = CopyFixture<CLTensor, CLAccessor, CLCopy, T>;
 
+TEST_SUITE(FixedSeed)
 TEST_SUITE(F32)
 FIXTURE_DATA_TEST_CASE(RunSmall, CLCopyFixture<float>, framework::DatasetMode::ALL, combine(zip(datasets::SmallShapes(), datasets::SmallShapes()), framework::dataset::make("DataType",
                                                                                             DataType::F32)))
@@ -93,6 +94,7 @@
     validate(CLAccessor(_target), _reference);
 }
 TEST_SUITE_END() // U16
+TEST_SUITE_END() // FixedSeed
 
 TEST_SUITE_END() // Copy
 TEST_SUITE_END() // CL
diff --git a/tests/validation/NEON/Copy.cpp b/tests/validation/NEON/Copy.cpp
index c2dedef..350fd00 100644
--- a/tests/validation/NEON/Copy.cpp
+++ b/tests/validation/NEON/Copy.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -62,7 +62,7 @@
 }
 // clang-format on
 // *INDENT-ON*
-
+TEST_SUITE(FixedSeed)
 TEST_SUITE(F32)
 FIXTURE_DATA_TEST_CASE(RunSmall, NECopyFixture<float>, framework::DatasetMode::ALL, combine(zip(datasets::SmallShapes(), datasets::SmallShapes()), framework::dataset::make("DataType",
                                                                                             DataType::F32)))
@@ -89,6 +89,7 @@
     validate(Accessor(_target), _reference);
 }
 TEST_SUITE_END() // U16
+TEST_SUITE_END() // FixedSeed
 
 TEST_SUITE_END() // Copy
 TEST_SUITE_END() // NEON
diff --git a/tests/validation/fixtures/CopyFixture.h b/tests/validation/fixtures/CopyFixture.h
index 911d908..534d5b3 100644
--- a/tests/validation/fixtures/CopyFixture.h
+++ b/tests/validation/fixtures/CopyFixture.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -54,7 +54,8 @@
     template <typename U>
     void fill(U &&tensor, int i)
     {
-        library->fill_tensor_uniform(tensor, i);
+        // This kernel doesn't benefit from using random seed as it just copies values.
+        fixed_library->fill_tensor_uniform(tensor, i);
     }
 
     TensorType compute_target(const TensorShape &input_shape, const TensorShape &output_shape, DataType data_type)