diff --git a/roles/ldap_server/molecule/default/tests/test_optional.py b/roles/ldap_server/molecule/default/tests/test_optional.py
index dcacdfcaffa50c3122460e60fd866e7be9d59e00..a2d7b8b2e281a0d4e6197010e62ca3277408d476 100644
--- a/roles/ldap_server/molecule/default/tests/test_optional.py
+++ b/roles/ldap_server/molecule/default/tests/test_optional.py
@@ -49,7 +49,7 @@ def test_ldap_tls_private_key_file(host):
         assert key.user == 'root'
         assert key.group == 'openldap'
         assert key.mode == 0o640
-        assert key.content == open('tests/data/x509/parameters-optional.key.pem').read()
+        assert key.content_string == open('tests/data/x509/parameters-optional.key.pem').read()
 
 
 def test_ldap_tls_certificate_file(host):
@@ -67,7 +67,7 @@ def test_ldap_tls_certificate_file(host):
         assert cert.user == 'root'
         assert cert.group == 'root'
         assert cert.mode == 0o644
-        assert cert.content == open('tests/data/x509/parameters-optional.cert.pem').read()
+        assert cert.content_string == open('tests/data/x509/parameters-optional.cert.pem').read()
 
 
 def test_certificate_validity_check_configuration(host):
@@ -84,7 +84,7 @@ def test_certificate_validity_check_configuration(host):
     assert config.user == 'root'
     assert config.group == 'root'
     assert config.mode == 0o644
-    assert config.content == "/etc/ssl/certs/%s_ldap.pem" % inventory_hostname
+    assert config.content_string == "/etc/ssl/certs/%s_ldap.pem" % inventory_hostname
 
 
 def test_tls_configuration(host):