diff --git a/apache2-mod_authn_otp.changes b/apache2-mod_authn_otp.changes
index a6f6e47..74893e7 100644
--- a/apache2-mod_authn_otp.changes
+++ b/apache2-mod_authn_otp.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jun 26 09:35:46 UTC 2019 - pgajdos@suse.com
+
+- testing with apache-rex instead
+
 -------------------------------------------------------------------
 Sat Jun 22 18:14:41 UTC 2019 - archie.cobbs@gmail.com
 
diff --git a/apache2-mod_authn_otp.spec b/apache2-mod_authn_otp.spec
index 967c403..dca96f7 100644
--- a/apache2-mod_authn_otp.spec
+++ b/apache2-mod_authn_otp.spec
@@ -13,7 +13,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
@@ -26,9 +26,10 @@ License:        Apache-2.0
 Group:          Productivity/Networking/Web/Servers
 Url:            http://mod-authn-otp.googlecode.com/
 Source:         https://s3.amazonaws.com/archie-public/mod-authn-otp/%{mod_name}-%{version}.tar.gz
+BuildRequires:  apache-rex
 BuildRequires:  apache-rpm-macros
 BuildRequires:  apache2-devel
-BuildRequires:  curl
+%apache_rex_deps
 Requires:       %{apache_mmn}
 Requires:       %{apache_suse_maintenance_mmn}
 Provides:       otptool = %{version}
@@ -79,79 +80,7 @@ install -d %{buildroot}%{apache_libexecdir}
 make DESTDIR=%{buildroot} install %{?_smp_mflags}
 
 %check
-# see https://github.com/archiecobbs/mod-authn-otp/blob/master/README.md
-# for details
-set +x
-# secret token
-test_token='a4d8acbddef654fccc418db4cc2f85cea6339f00'
-test_user='wilma'
-mkdir -p %{apache_test_module_dir}/htdocs/protected
-# create protected document
-cat << EOF > %{apache_test_module_dir}/htdocs/protected/index.html
-RESTRICTED AREA BY OTP
-EOF
-# create initial UsersFile
-echo "HOTP $test_user - $test_token" > %{apache_test_module_dir}/users-file
-# create module configuration
-cat << EOF > %{apache_test_module_dir}/mod_authn_otp-test.conf
-<Directory %{apache_test_module_dir}/htdocs/protected>
-  AuthType           basic
-  AuthName          "Very Secret Area"
-  AuthBasicProvider OTP
-  Require           valid-user
-  OTPAuthUsersFile %{apache_test_module_dir}/users-file
-  OTPAuthMaxLinger 2
-</Directory>
-EOF
-exit_code=0
-%if %{apache_branch} >= 204
-# 2.4 and up
-base_authn_module='authn_core'
-%else
-base_authn_module='authn_default'
-%endif
-# start apache test instance
-%apache_test_module_start_apache -m $base_authn_module:authz_user:authn_otp -i mod_authn_otp-test.conf
-echo
-echo 'Testing protected/index.html output'
-# figure out password for first access
-pass=$(./otptool -c 0 a4d8acbddef654fccc418db4cc2f85cea6339f00 | sed 's@.*:[ \t]*\([0-9]*\)[ \t]*.*@\1@')
-echo 'Test 1: testing first password'
-%apache_test_module_curl -u $test_user:$pass -d /protected/ -o output.txt
-grep 'RESTRICTED AREA BY OTP' output.txt || exit_code=1
-# next access with the same password within the linger time should be allowed
-echo 'Test 2: testing first password in linger time'
-%apache_test_module_curl -u $test_user:$pass -d /protected/ -o output.txt
-grep 'RESTRICTED AREA BY OTP' output.txt || exit_code=2
-# sleeping to get after linger time
-sleep 2
-# next access with the same password after linger time should not be allowed
-echo 'Test 3: testing first password after linger time'
-%apache_test_module_curl -u $test_user:$pass -d /protected/ -o output.txt
-grep '<title>.*401.*</title>' output.txt || exit_code=3
-# figure out second password (counter increased by one)
-echo 'Test 4: testing second password'
-pass=$(./otptool -c 1 a4d8acbddef654fccc418db4cc2f85cea6339f00 | sed 's@.*:[ \t]*\([0-9]*\)[ \t]*.*@\1@')
-%apache_test_module_curl -u $test_user:$pass -d /protected/ -o output.txt
-grep 'RESTRICTED AREA BY OTP' output.txt || exit_code=4
-# increasing counter again, generating new password
-echo 'Test 5: testing third password in linger time of second password'
-pass=$(./otptool -c 2 a4d8acbddef654fccc418db4cc2f85cea6339f00 | sed 's@.*:[ \t]*\([0-9]*\)[ \t]*.*@\1@')
-# access with the third password should be allowed even if linger time
-# of the previous one have not expired
-%apache_test_module_curl -u $test_user:$pass -d /protected/ -o output.txt
-grep 'RESTRICTED AREA BY OTP' output.txt || exit_code=5
-echo -n 'Result: '
-if [ $exit_code -eq 0 ]; then
-  echo 'SUCCESS'
-else
-  echo "FAILED (last failed test: $exit_code), error_log:"
-  cat %{apache_test_module_dir}/error_log
-fi
-echo
-%apache_test_module_stop_apache
-set -x
-exit $exit_code
+%apache_rex_check -m .libs/ -b . mod_authn_otp-basic
 
 %files
 %defattr(-,root,root,-)