Only run rpm --verify if pkg was a package and not a file (that is provided by a package)

This lets us request to install `/usr/sbin/semanage` without failing the verify step.

Author: matyasselmeci

osgtest/tests/special_install.py

@@ -59,8 +59,10 @@ def test_02_install_packages(self):
             retry_fail, _, stdout, _ = yum.retry_command(command)
             if retry_fail == '':   # the command succeeded
                 core.state['install.transaction_ids'].append(yum.get_transaction_id())
-                command = ('rpm', '--verify', pkg)
-                core.check_system(command, 'Verify %s' % (pkg))
+                if not pkg.startswith("/"):
+                    # ^^ rpm --verify doesn't work if you asked for a file instead of a package
+                    command = ('rpm', '--verify', pkg)
+                    core.check_system(command, 'Verify %s' % (pkg))
                 yum.parse_output_for_packages(stdout)
 
             fail_msg += retry_fail