Remove tests for empty slots

With the attribute-based key creation API, it is no longer possible to
have a handle to a slot that does not hold key material. Remove all
corresponding tests.
diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index 58e23e2..b706546 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -28,10 +28,6 @@
 depends_on:MBEDTLS_AES_C
 import_export:"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef":PSA_KEY_TYPE_AES:PSA_ALG_CTR:PSA_KEY_USAGE_EXPORT:256:0:PSA_SUCCESS:1
 
-PSA import to non empty key slot
-depends_on:MBEDTLS_AES_C
-import_key_nonempty_slot
-
 PSA export invalid handle (0)
 export_invalid_handle:0:PSA_ERROR_INVALID_HANDLE
 
@@ -41,40 +37,6 @@
 PSA export invalid handle (largest plausible handle)
 export_invalid_handle:-1:PSA_ERROR_INVALID_HANDLE
 
-PSA export a slot where there was some activity but no key material creation
-export_with_no_key_activity
-
-PSA setup cipher where there was some activity on key but no key material creation
-cipher_with_no_key_activity
-
-PSA export a slot after a failed import of a AES key
-depends_on:MBEDTLS_AES_C
-export_after_import_failure:"0123456789abcdef":PSA_KEY_TYPE_AES:PSA_ERROR_INVALID_ARGUMENT
-
-PSA export a slot after a failed import of a RSA key
-depends_on:MBEDTLS_RSA_C:MBEDTLS_PK_PARSE_C
-export_after_import_failure:"30818902818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa2470b541ee1feb0b12d25c79711531249e1129628042dbbb6c120d1443524ef4c0e6e1d8956eeb2077af12349ddeee54483bc06c2c61948cd02b202e796aebd94d3a7cbf859c2c1819c324cb82b9cd34ede263a2abffe4733f077869e8660f7d6834da53d690ef7985f6bc30203010001":PSA_KEY_TYPE_RSA_KEYPAIR:PSA_ERROR_INVALID_ARGUMENT
-
-PSA export a slot after a failed import of an EC keypair
-depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
-export_after_import_failure:"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff":PSA_KEY_TYPE_ECC_KEYPAIR(PSA_ECC_CURVE_SECP256R1):PSA_ERROR_INVALID_ARGUMENT
-
-PSA setup cipher after a failed import of a AES key
-depends_on:MBEDTLS_AES_C
-cipher_after_import_failure:"0123456789abcdef":PSA_KEY_TYPE_AES:PSA_ERROR_INVALID_ARGUMENT
-
-PSA export RSA public key from a slot where there was an import followed by destroy.
-depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C
-export_after_destroy_key:"30818902818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa2470b541ee1feb0b12d25c79711531249e1129628042dbbb6c120d1443524ef4c0e6e1d8956eeb2077af12349ddeee54483bc06c2c61948cd02b202e796aebd94d3a7cbf859c2c1819c324cb82b9cd34ede263a2abffe4733f077869e8660f7d6834da53d690ef7985f6bc30203010001":PSA_KEY_TYPE_RSA_PUBLIC_KEY
-
-PSA export AES key from a slot where there was an import followed by destroy.
-depends_on:MBEDTLS_AES_C
-export_after_destroy_key:"0123456789abcdef0123456789abcdef":PSA_KEY_TYPE_AES
-
-PSA export EC key from a slot where there was an import followed by destroy.
-depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED
-export_after_destroy_key:"3f5d8d9be280b5696cc5cc9f94cf8af7e6b61dd6592b2ab2b3a4c607450417ec327dcdcaed7c10053d719a0574f0a76a":PSA_KEY_TYPE_ECC_KEYPAIR(PSA_ECC_CURVE_SECP384R1)
-
 PSA import AES: bad key size
 depends_on:MBEDTLS_AES_C
 import:"0123456789abcdef":PSA_KEY_TYPE_AES:PSA_ERROR_INVALID_ARGUMENT
@@ -313,10 +275,6 @@
 depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_BP512R1_ENABLED:MBEDTLS_RSA_C
 import:"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":PSA_KEY_TYPE_ECC_KEYPAIR(PSA_ECC_CURVE_BRAINPOOL_P512R1):PSA_ERROR_INVALID_ARGUMENT
 
-PSA import failure preserves policy
-depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15
-import_twice:PSA_ALG_RSA_PKCS1V15_SIGN_RAW:PSA_KEY_USAGE_VERIFY:PSA_KEY_TYPE_RSA_PUBLIC_KEY:"":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_TYPE_RSA_PUBLIC_KEY:"30818902818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa2470b541ee1feb0b12d25c79711531249e1129628042dbbb6c120d1443524ef4c0e6e1d8956eeb2077af12349ddeee54483bc06c2c61948cd02b202e796aebd94d3a7cbf859c2c1819c324cb82b9cd34ede263a2abffe4733f077869e8660f7d6834da53d690ef7985f6bc30203010001":PSA_SUCCESS
-
 PSA import RSA key pair: maximum size exceeded
 depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C
 import_rsa_made_up:PSA_VENDOR_RSA_MAX_KEY_BITS+8:1:PSA_ERROR_NOT_SUPPORTED
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index ddcbd8a..e856e6e 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -1186,46 +1186,6 @@
 /* END_CASE */
 
 /* BEGIN_CASE */
-void import_twice( int alg_arg, int usage_arg,
-                   int type1_arg, data_t *data1,
-                   int expected_import1_status_arg,
-                   int type2_arg, data_t *data2,
-                   int expected_import2_status_arg )
-{
-    psa_key_handle_t handle = 0;
-    psa_algorithm_t alg = alg_arg;
-    psa_key_usage_t usage = usage_arg;
-    psa_key_type_t type1 = type1_arg;
-    psa_status_t expected_import1_status = expected_import1_status_arg;
-    psa_key_type_t type2 = type2_arg;
-    psa_status_t expected_import2_status = expected_import2_status_arg;
-    psa_key_policy_t policy = PSA_KEY_POLICY_INIT;
-    psa_status_t status;
-
-    PSA_ASSERT( psa_crypto_init( ) );
-
-    PSA_ASSERT( psa_allocate_key( &handle ) );
-    psa_key_policy_set_usage( &policy, usage, alg );
-    PSA_ASSERT( psa_set_key_policy( handle, &policy ) );
-
-    status = psa_import_key_to_handle( handle, type1, data1->x, data1->len );
-    TEST_EQUAL( status, expected_import1_status );
-    status = psa_import_key_to_handle( handle, type2, data2->x, data2->len );
-    TEST_EQUAL( status, expected_import2_status );
-
-    if( expected_import1_status == PSA_SUCCESS ||
-        expected_import2_status == PSA_SUCCESS )
-    {
-        if( ! exercise_key( handle, usage, alg ) )
-            goto exit;
-    }
-
-exit:
-    mbedtls_psa_crypto_free( );
-}
-/* END_CASE */
-
-/* BEGIN_CASE */
 void import_rsa_made_up( int bits_arg, int keypair, int expected_status_arg )
 {
     psa_key_handle_t handle = 0;
@@ -1356,30 +1316,6 @@
 /* END_CASE */
 
 /* BEGIN_CASE */
-void import_key_nonempty_slot( )
-{
-    psa_key_handle_t handle = 0;
-    psa_key_type_t type = PSA_KEY_TYPE_RAW_DATA;
-    psa_status_t status;
-    const uint8_t data[] = { 0x1, 0x2, 0x3, 0x4, 0x5 };
-    PSA_ASSERT( psa_crypto_init( ) );
-
-    PSA_ASSERT( psa_allocate_key( &handle ) );
-
-    /* Import the key */
-    PSA_ASSERT( psa_import_key_to_handle( handle, type,
-                                data, sizeof( data ) ) );
-
-    /* Import the key again */
-    status = psa_import_key_to_handle( handle, type, data, sizeof( data ) );
-    TEST_EQUAL( status, PSA_ERROR_ALREADY_EXISTS );
-
-exit:
-    mbedtls_psa_crypto_free( );
-}
-/* END_CASE */
-
-/* BEGIN_CASE */
 void export_invalid_handle( int handle, int expected_export_status_arg )
 {
     psa_status_t status;
@@ -1402,160 +1338,6 @@
 /* END_CASE */
 
 /* BEGIN_CASE */
-void export_with_no_key_activity( )
-{
-    psa_key_handle_t handle = 0;
-    psa_algorithm_t alg = PSA_ALG_CTR;
-    psa_status_t status;
-    psa_key_policy_t policy = PSA_KEY_POLICY_INIT;
-    unsigned char *exported = NULL;
-    size_t export_size = 0;
-    size_t exported_length = INVALID_EXPORT_LENGTH;
-
-    PSA_ASSERT( psa_crypto_init( ) );
-
-    PSA_ASSERT( psa_allocate_key( &handle ) );
-    psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_EXPORT, alg );
-    PSA_ASSERT( psa_set_key_policy( handle, &policy ) );
-
-    /* Export the key */
-    status = psa_export_key( handle,
-                             exported, export_size,
-                             &exported_length );
-    TEST_EQUAL( status, PSA_ERROR_DOES_NOT_EXIST );
-
-exit:
-    mbedtls_psa_crypto_free( );
-}
-/* END_CASE */
-
-/* BEGIN_CASE */
-void cipher_with_no_key_activity( )
-{
-    psa_key_handle_t handle = 0;
-    psa_status_t status;
-    psa_key_policy_t policy = PSA_KEY_POLICY_INIT;
-    psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
-    int exercise_alg = PSA_ALG_CTR;
-
-    PSA_ASSERT( psa_crypto_init( ) );
-
-    PSA_ASSERT( psa_allocate_key( &handle ) );
-    psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_ENCRYPT, exercise_alg );
-    PSA_ASSERT( psa_set_key_policy( handle, &policy ) );
-
-    status = psa_cipher_encrypt_setup( &operation, handle, exercise_alg );
-    TEST_EQUAL( status, PSA_ERROR_DOES_NOT_EXIST );
-
-exit:
-    psa_cipher_abort( &operation );
-    mbedtls_psa_crypto_free( );
-}
-/* END_CASE */
-
-/* BEGIN_CASE */
-void export_after_import_failure( data_t *data, int type_arg,
-                                  int expected_import_status_arg )
-{
-    psa_key_handle_t handle = 0;
-    psa_key_type_t type = type_arg;
-    psa_status_t status;
-    unsigned char *exported = NULL;
-    size_t export_size = 0;
-    psa_status_t expected_import_status = expected_import_status_arg;
-    size_t exported_length = INVALID_EXPORT_LENGTH;
-
-    PSA_ASSERT( psa_crypto_init( ) );
-
-    PSA_ASSERT( psa_allocate_key( &handle ) );
-
-    /* Import the key - expect failure */
-    status = psa_import_key_to_handle( handle, type,
-                             data->x, data->len );
-    TEST_EQUAL( status, expected_import_status );
-
-    /* Export the key */
-    status = psa_export_key( handle,
-                             exported, export_size,
-                             &exported_length );
-    TEST_EQUAL( status, PSA_ERROR_DOES_NOT_EXIST );
-
-exit:
-    mbedtls_psa_crypto_free( );
-}
-/* END_CASE */
-
-/* BEGIN_CASE */
-void cipher_after_import_failure( data_t *data, int type_arg,
-                                  int expected_import_status_arg )
-{
-    psa_key_handle_t handle = 0;
-    psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
-    psa_key_type_t type = type_arg;
-    psa_status_t status;
-    psa_status_t expected_import_status = expected_import_status_arg;
-    int exercise_alg = PSA_ALG_CTR;
-
-    PSA_ASSERT( psa_crypto_init( ) );
-
-    PSA_ASSERT( psa_allocate_key( &handle ) );
-
-    /* Import the key - expect failure */
-    status = psa_import_key_to_handle( handle, type,
-                             data->x, data->len );
-    TEST_EQUAL( status, expected_import_status );
-
-    status = psa_cipher_encrypt_setup( &operation, handle, exercise_alg );
-    TEST_EQUAL( status, PSA_ERROR_DOES_NOT_EXIST );
-
-exit:
-    psa_cipher_abort( &operation );
-    mbedtls_psa_crypto_free( );
-}
-/* END_CASE */
-
-/* BEGIN_CASE */
-void export_after_destroy_key( data_t *data, int type_arg )
-{
-    psa_key_handle_t handle = 0;
-    psa_key_type_t type = type_arg;
-    psa_status_t status;
-    psa_key_policy_t policy = PSA_KEY_POLICY_INIT;
-    psa_algorithm_t alg = PSA_ALG_CTR;
-    unsigned char *exported = NULL;
-    size_t export_size = 0;
-    size_t exported_length = INVALID_EXPORT_LENGTH;
-
-    PSA_ASSERT( psa_crypto_init( ) );
-
-    PSA_ASSERT( psa_allocate_key( &handle ) );
-    psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_EXPORT, alg );
-    PSA_ASSERT( psa_set_key_policy( handle, &policy ) );
-    export_size = (ptrdiff_t) data->len;
-    ASSERT_ALLOC( exported, export_size );
-
-    /* Import the key */
-    PSA_ASSERT( psa_import_key_to_handle( handle, type,
-                                data->x, data->len ) );
-
-    PSA_ASSERT( psa_export_key( handle, exported, export_size,
-                                &exported_length ) );
-
-    /* Destroy the key */
-    PSA_ASSERT( psa_destroy_key( handle ) );
-
-    /* Export the key */
-    status = psa_export_key( handle, exported, export_size,
-                             &exported_length );
-    TEST_EQUAL( status, PSA_ERROR_INVALID_HANDLE );
-
-exit:
-    mbedtls_free( exported );
-    mbedtls_psa_crypto_free( );
-}
-/* END_CASE */
-
-/* BEGIN_CASE */
 void import_export_public_key( data_t *data,
                                int type_arg,
                                int alg_arg,