diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 406a063..6ffba84 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -2781,6 +2781,18 @@
 depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA1_C
 mbedtls_x509_csr_parse:"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":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=localhost\nsigned using  \: ECDSA with SHA1\nEC key size   \: 256 bits\n":0
 
+X509 CSR ASN.1 (Unsupported critical extension, critical=true, ignore for backwards compatibility)
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C
+mbedtls_x509_csr_parse:"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":"CSR version   \: 1\nsubject name  \: CN=Self signed test, C=DE, O=AuthCrtDB Test\nsigned using  \: ECDSA with SHA256\nEC key size   \: 256 bits\n":0
+
+X509 CSR ASN.1 (Unsupported non-critical extension, critical=false)
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C
+mbedtls_x509_csr_parse:"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":"CSR version   \: 1\nsubject name  \: CN=Self signed test, C=DE, O=AuthCrtDB Test\nsigned using  \: ECDSA with SHA256\nEC key size   \: 256 bits\n":0
+
+X509 CSR ASN.1 (Unsupported non-critical extension, critical undefined)
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C
+mbedtls_x509_csr_parse:"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":"CSR version   \: 1\nsubject name  \: CN=Self signed test, C=DE, O=AuthCrtDB Test\nsigned using  \: ECDSA with SHA256\nEC key size   \: 256 bits\n":0
+
 X509 CSR ASN.1 (bad first tag)
 mbedtls_x509_csr_parse:"3100":"":MBEDTLS_ERR_X509_INVALID_FORMAT