fix build failure

rubygem-aruba.spec

@@ -18,7 +18,11 @@ BuildRequires: rubygems-devel
 BuildRequires: ruby
 BuildRequires: rubygem(cucumber) >= 1.1.1
 BuildRequires: rubygem(childprocess) >= 0.2.0
-BuildRequires: rubygem(rspec) >= 2.7.0
+%if 0%{?fedora} >= 22
+BuildRequires: rubygem(rspec) >= 3
+%else
+BuildRequires: rubygem(rspec)
+%endif
 # used in one of the features
 BuildRequires: bc
 BuildArch: noarch
@@ -42,6 +46,13 @@ Documentation for %{name}
 %setup -q -c -T
 %gem_install -n %{SOURCE0}
 
+%if 0%{?fedora} < 23
+pushd .%{gem_instdir}/
+sed -i -e 's|:example|:each|' \
+	spec/aruba/api_spec.rb
+popd
+%endif
+
 %build
 
 %install