diff -Nru session-migration-0.3.4/debian/changelog session-migration-0.3.5/debian/changelog
--- session-migration-0.3.4/debian/changelog	2019-04-09 13:38:19.000000000 +0000
+++ session-migration-0.3.5/debian/changelog	2020-04-02 13:18:57.000000000 +0000
@@ -1,3 +1,11 @@
+session-migration (0.3.5) focal; urgency=medium
+
+  * tests/debhelper_tests.py:
+    - updated test_build_with_missing_script to the format changes in the
+      debhelper error string, fixes the build (lp: #1870081)
+
+ -- Sebastien Bacher <seb128@ubuntu.com>  Thu, 02 Apr 2020 15:18:57 +0200
+
 session-migration (0.3.4) disco; urgency=medium
 
   * Fix failing tests due to keyfiles get from stdlib not keeping tuple
diff -Nru session-migration-0.3.4/tests/debhelper_tests.py session-migration-0.3.5/tests/debhelper_tests.py
--- session-migration-0.3.4/tests/debhelper_tests.py	2019-04-08 08:14:53.000000000 +0000
+++ session-migration-0.3.5/tests/debhelper_tests.py	2020-04-02 13:18:57.000000000 +0000
@@ -86,7 +86,7 @@
         '''ensure assert when there is a typo in the script path or doesn't exist'''
         os.remove(os.path.join(self.pkgdir, "script1.sh"))
         stdout = self.buildpackage(self.env)
-        self.assertTrue("dh_migrations: install -p -m755 script1.sh debian/vanilla/usr/share/session-migration/scripts returned exit code 1" in stdout)
+        self.assertTrue("dh_migrations: error: install -p -m755 script1.sh debian/vanilla/usr/share/session-migration/scripts returned exit code 1" in stdout)
 
 
 if __name__ == '__main__':