Add testcase for last commit

Author: mlschroe

test/testcases/lockstep/infarch_install_best.t

@@ -0,0 +1,20 @@
+# test for issue 292
+repo system 0 testtags <inline>
+#>=Pkg: nss 3.39.0 2.fc29 x86_64
+#>=Pkg: nss-sysinit 3.39.0 2.fc29 x86_64
+#>=Req: nss = 3.39.0-2.fc29
+repo available 0 testtags <inline>
+#>=Pkg: nss 3.39.0 2.fc29 i686
+#>=Pkg: nss 3.41.0 1.fc29 x86_64
+#>=Pkg: nss-sysinit 3.41.0 1.fc29 x86_64
+#>=Req: nss = 3.41.0-1.fc29
+
+system x86_64 rpm system
+
+poolflags implicitobsoleteusescolors
+solverflags allowvendorchange keepexplicitobsoletes bestobeypolicy keeporphans yumobsoletes
+
+job install oneof nss-3.41.0-1.fc29.x86_64@available [setevr,setarch]
+result transaction,problems <inline>
+#>upgrade nss-3.39.0-2.fc29.x86_64@system nss-3.41.0-1.fc29.x86_64@available
+#>upgrade nss-sysinit-3.39.0-2.fc29.x86_64@system nss-sysinit-3.41.0-1.fc29.x86_64@available