!8 fix build error

From: @cherry530 
Reviewed-by: @shinwell_hu 
Signed-off-by: @shinwell_hu

rubygem-test_declarative.spec

@@ -2,7 +2,7 @@
 Summary:             Simply adds a declarative test method syntax to test/unit
 Name:                rubygem-%{gem_name}
 Version:             0.0.6
-Release:             1
+Release:             2
 License:             MIT
 URL:                 http://github.com/svenfuchs/test_declarative
 Source0:             http://rubygems.org/gems/%{gem_name}-%{version}.gem
@@ -26,10 +26,11 @@ BuildArch:           noarch
 Documentation for %{name}
 
 %prep
-%setup -q -c -T
-%gem_install -n %{SOURCE0}
+%setup -q -n %{gem_name}-%{version} -b 1
 
 %build
+gem build ../%{gem_name}-%{version}.gemspec
+%gem_install
 
 %install
 mkdir -p %{buildroot}%{gem_dir}
@@ -38,8 +39,7 @@ cp -a .%{gem_dir}/* \
 
 %check
 pushd .%{gem_instdir}
-tar xf %{SOURCE1}
-cp -r test %{buildroot}%{gem_instdir}
+ln -s %{_builddir}/test test
 cd test
 ruby -e 'Dir.glob "./test/**/test_*.rb", &method(:require)'
 popd
@@ -54,9 +54,11 @@ popd
 %files doc
 %doc %{gem_docdir}
 %doc %{gem_instdir}/README.md
-%{gem_instdir}/test
 
 %changelog
+* Tue Jan 09 2024 xu_ping <707078654@qq.com> - 0.0.6-2
+- fix build error
+
 * Wed Nov 15 2023 Ge Wang <wang__ge@126.com> - 0.0.6-1
 - update to version 0.0.6