use helper method from OpenSSL

tests/integrationv2/utils.py

@@ -1,8 +1,7 @@
 # Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 # SPDX-License-Identifier: Apache-2.0
-import subprocess
 from common import Certificates, Protocols
-from providers import S2N
+from providers import OpenSSL, S2N
 from global_flags import get_flag, S2N_FIPS_MODE
 
 
@@ -39,12 +38,7 @@ def get_expected_openssl_version(protocol):
     }.get(protocol.value)
 
 def get_openssl_version():
-    result = subprocess.run(
-        ["openssl", "version"], shell=False, capture_output=True, text=True
-    )
-    version_str = result.stdout.split(" ")
-    version_openssl = version_str[1]  # This will return just the version number
-    return version_openssl
+    return OpenSSL.get_version()
 
 def get_expected_gnutls_version(protocol):
     return {