IVGCVSW-3216 Make Rsqrt f32 layers test generic

Change-Id: Ibb8b71058039d0fb7345c2e6cba6382023541269
Signed-off-by: nikraj01 <nikhil.raj@arm.com>
diff --git a/src/backends/reference/test/RefLayerTests.cpp b/src/backends/reference/test/RefLayerTests.cpp
index afeadb9..b2f71a8 100644
--- a/src/backends/reference/test/RefLayerTests.cpp
+++ b/src/backends/reference/test/RefLayerTests.cpp
@@ -463,10 +463,10 @@
 ARMNN_AUTO_TEST_CASE(SimpleReshapeQuantisedSymm16, SimpleReshapeTest<armnn::DataType::QuantisedSymm16>)
 
 // Rsqrt
-ARMNN_AUTO_TEST_CASE(Rsqrt2d, Rsqrt2dTest)
-ARMNN_AUTO_TEST_CASE(Rsqrt3d, Rsqrt3dTest)
-ARMNN_AUTO_TEST_CASE(RsqrtZero, RsqrtZeroTest)
-ARMNN_AUTO_TEST_CASE(RsqrtNegative, RsqrtNegativeTest)
+ARMNN_AUTO_TEST_CASE(Rsqrt2d, Rsqrt2dTest<armnn::DataType::Float32>)
+ARMNN_AUTO_TEST_CASE(Rsqrt3d, Rsqrt3dTest<armnn::DataType::Float32>)
+ARMNN_AUTO_TEST_CASE(RsqrtZero, RsqrtZeroTest<armnn::DataType::Float32>)
+ARMNN_AUTO_TEST_CASE(RsqrtNegative, RsqrtNegativeTest<armnn::DataType::Float32>)
 
 // Permute
 ARMNN_AUTO_TEST_CASE(SimplePermuteFloat32, SimplePermuteFloat32Test)