testsuite failing

tests/Tests.hs:213:24: error:
    Not in scope: ‘T.parseTime’
    Perhaps you meant ‘T.parseTimeM’ (imported from Data.Time.Format)
    Neither ‘System.Locale’, ‘Data.Time.Calendar’, ‘Data.Time.Clock’,
            ‘Data.Time.Clock.POSIX’ nor ‘Data.Time.Format’ exports ‘parseTime’.
    |
213 |                 md2  = T.parseTime T.defaultTimeLocale fmt "%F"
    |                        ^^^^^^^^^^^

ghc-hourglass.spec

@@ -4,7 +4,8 @@
 %global pkg_name hourglass
 %global pkgver %{pkg_name}-%{version}
 
-%bcond_without tests
+# https://github.com/vincenthz/hs-hourglass/issues/55
+%bcond_with tests
 
 Name:           ghc-%{pkg_name}
 Version:        0.2.12