Fix running test suite from installed package.

Some files are in different locations in this case.

mysql-test/lib/mtr_cases.pm

@@ -249,6 +249,10 @@ sub collect_one_suite($)
       $suitedir= my_find_dir($::basedir,
 			     ["mysql-test/suite",
 			      "mysql-test",
+			      "share/mysql-test/suite",
+			      "share/mysql-test",
+			      "share/mysql/mysql-test/suite",
+			      "share/mysql/mysql-test",
 			      # Look in storage engine specific suite dirs
 			      "storage/*/mysql-test-suites"
 			     ],

mysql-test/mysql-test-run.pl

@@ -1001,6 +1001,12 @@ sub command_line_setup {
   {
     $basedir= dirname($basedir);
   }
+  # For .deb, it's like RPM, but installed in /usr/share/mysql/mysql-test.
+  # So move up one more directory level yet.
+  if ( ! $source_dist and ! -d "$basedir/bin" )
+  {
+    $basedir= dirname($basedir);
+  }
 
   # Look for the client binaries directory
   if ($path_client_bindir)