fish.spec: stop running tests on RHEL 6

Due to RHEL's very old Python and other issues, keeping the tests
running is more work than it's worth. Switch to making sure the compiled
binary runs only.

fish.spec.in

@@ -22,7 +22,7 @@ BuildRequires: update-desktop-files
 %endif
 
 %if 0%{?opensuse_bs} && 0%{?rhel} && 0%{?rhel} < 7
-BuildRequires: gcc48 gcc48-c++ python-argparse
+BuildRequires: gcc48 gcc48-c++
 %endif
 
 # for tests
@@ -95,7 +95,12 @@ cp -a CONTRIBUTING.md %{buildroot}%{_pkgdocdir}
 %if 0%{?__builddir:1}
 cd %__builddir
 %endif
+# Turn off tests on RHEL 6, they are hard to keep running
+%if 0%{?opensuse_bs} && 0%{?rhel} && 0%{?rhel} < 7
+./fish -c 'exit 0'
+%else
 make test SHOW_INTERACTIVE_LOG=1
+%endif
 
 %clean
 rm -rf $RPM_BUILD_ROOT