Use extension .csr.der to indicate format

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 784e137..e809498 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -352,19 +352,19 @@
 
 X509 CSR Information v3 extensions #1 (all)
 depends_on:MBEDTLS_HAS_ALG_SHA_1_VIA_MD_OR_PSA_BASED_ON_USE_PSA:MBEDTLS_RSA_C:!MBEDTLS_X509_REMOVE_INFO
-mbedtls_x509_csr_info:"data_files/test_csr_v3_all.csr":"CSR version   \: 1\nsubject name  \: CN=etcd\nsigned using  \: RSA with SHA-256\nRSA key size  \: 1024 bits\n\nsubject alt name  \:\n    otherName \:\n        hardware module name \:\n            hardware type          \: 1.3.6.1.4.1.17.3\n            hardware serial number \: 3132338081008180333231\ncert. type        \: SSL Client\nkey usage         \: CRL Sign\n"
+mbedtls_x509_csr_info:"data_files/test_csr_v3_all.csr.der":"CSR version   \: 1\nsubject name  \: CN=etcd\nsigned using  \: RSA with SHA-256\nRSA key size  \: 1024 bits\n\nsubject alt name  \:\n    otherName \:\n        hardware module name \:\n            hardware type          \: 1.3.6.1.4.1.17.3\n            hardware serial number \: 3132338081008180333231\ncert. type        \: SSL Client\nkey usage         \: CRL Sign\n"
 
 X509 CSR Information v3 extensions #2 (nsCertType only)
 depends_on:MBEDTLS_HAS_ALG_SHA_1_VIA_MD_OR_PSA_BASED_ON_USE_PSA:MBEDTLS_RSA_C:!MBEDTLS_X509_REMOVE_INFO
-mbedtls_x509_csr_info:"data_files/test_csr_v3_nsCertType.csr":"CSR version   \: 1\nsubject name  \: CN=etcd\nsigned using  \: RSA with SHA-256\nRSA key size  \: 1024 bits\n\ncert. type        \: SSL Server\n"
+mbedtls_x509_csr_info:"data_files/test_csr_v3_nsCertType.csr.der":"CSR version   \: 1\nsubject name  \: CN=etcd\nsigned using  \: RSA with SHA-256\nRSA key size  \: 1024 bits\n\ncert. type        \: SSL Server\n"
 
 X509 CSR Information v3 extensions #3 (subjectAltName only)
 depends_on:MBEDTLS_HAS_ALG_SHA_1_VIA_MD_OR_PSA_BASED_ON_USE_PSA:MBEDTLS_RSA_C:!MBEDTLS_X509_REMOVE_INFO
-mbedtls_x509_csr_info:"data_files/test_csr_v3_subjectAltName.csr":"CSR version   \: 1\nsubject name  \: CN=etcd\nsigned using  \: RSA with SHA-256\nRSA key size  \: 1024 bits\n\nsubject alt name  \:\n    dNSName \: example.com\n    dNSName \: example.net\n    dNSName \: *.example.org\n"
+mbedtls_x509_csr_info:"data_files/test_csr_v3_subjectAltName.csr.der":"CSR version   \: 1\nsubject name  \: CN=etcd\nsigned using  \: RSA with SHA-256\nRSA key size  \: 1024 bits\n\nsubject alt name  \:\n    dNSName \: example.com\n    dNSName \: example.net\n    dNSName \: *.example.org\n"
 
 X509 CSR Information v3 extensions #4 (keyUsage only)
 depends_on:MBEDTLS_HAS_ALG_SHA_1_VIA_MD_OR_PSA_BASED_ON_USE_PSA:MBEDTLS_RSA_C:!MBEDTLS_X509_REMOVE_INFO
-mbedtls_x509_csr_info:"data_files/test_csr_v3_keyUsage.csr":"CSR version   \: 1\nsubject name  \: CN=etcd\nsigned using  \: RSA with SHA-256\nRSA key size  \: 1024 bits\n\nkey usage         \: Digital Signature, Key Encipherment\n"
+mbedtls_x509_csr_info:"data_files/test_csr_v3_keyUsage.csr.der":"CSR version   \: 1\nsubject name  \: CN=etcd\nsigned using  \: RSA with SHA-256\nRSA key size  \: 1024 bits\n\nkey usage         \: Digital Signature, Key Encipherment\n"
 
 X509 Verify Information: empty
 x509_verify_info:0:"":""
@@ -2680,7 +2680,7 @@
 X509 CSR ASN.1 (invalid version overflow)
 mbedtls_x509_csr_parse:"3008300602047fffffff":"":MBEDTLS_ERR_X509_UNKNOWN_VERSION
 
-# Used test_csr_v3_all.csr as a base for malforming CSR extenstions/attributes
+# Used test_csr_v3_all.csr.der as a base for malforming CSR extenstions/attributes
 # Please see makefile for data_files to check malformation details (test_csr_v3_all_malformed_xxx.csr files)
 X509 CSR ASN.1 (attributes: invalid sequence tag)
 depends_on:MBEDTLS_HAS_ALG_SHA_1_VIA_MD_OR_PSA_BASED_ON_USE_PSA:MBEDTLS_RSA_C:!MBEDTLS_X509_REMOVE_INFO