Add missing psa_destroy_key call

Author: dgreen-arm

tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function

@@ -367,6 +367,12 @@ void mock_generate( int mock_generate_return_value, int expected_result )
     TEST_ASSERT( psa_generate_key( &attributes, &handle ) == expected_result );
     TEST_ASSERT( mock_generate_data.called == 1 );
 
+    if( expected_result == PSA_SUCCESS )
+    {
+        PSA_ASSERT( psa_destroy_key( handle ) );
+        TEST_ASSERT( mock_destroy_data.called == 1 );
+    }
+
 exit:
     PSA_DONE( );
     mock_teardown( );
@@ -414,6 +420,10 @@ void mock_export_public( int mock_export_public_return_value,
                                         &exported_length ) == expected_result );
     TEST_ASSERT( mock_export_public_data.called == 1 );
 
+    PSA_ASSERT( psa_destroy_key( handle ) );
+
+    TEST_ASSERT( mock_destroy_data.called == 1 );
+
 exit:
     PSA_DONE( );
     mock_teardown( );
@@ -468,6 +478,10 @@ void mock_sign( int mock_sign_return_value, int expected_result )
                  == expected_result );
     TEST_ASSERT( mock_sign_data.called == 1 );
 
+    PSA_ASSERT( psa_destroy_key( handle ) );
+
+    TEST_ASSERT( mock_destroy_data.called == 1 );
+
 exit:
     PSA_DONE( );
     mock_teardown( );
@@ -520,6 +534,10 @@ void mock_verify( int mock_verify_return_value, int expected_result )
                  == expected_result );
     TEST_ASSERT( mock_verify_data.called == 1 );
 
+    PSA_ASSERT( psa_destroy_key( handle ) );
+
+    TEST_ASSERT( mock_destroy_data.called == 1 );
+
 exit:
     PSA_DONE( );
     mock_teardown( );