MDEV-21654 binary library file pam_mariadb_mtr.so installed among test data files

lintian complains:
arch-dependent-file-in-usr-share
arch-independent-package-contains-binary-or-object

Author: vuvova

debian/mariadb-test-data.lintian-overrides

@@ -1,6 +1,3 @@
-# These should be moved, see https://jira.mariadb.org/browse/MDEV-21654
-arch-dependent-file-in-usr-share [usr/share/mysql/mysql-test/suite/plugins/pam/pam_mariadb_mtr.so]
-arch-independent-package-contains-binary-or-object [usr/share/mysql/mysql-test/suite/plugins/pam/pam_mariadb_mtr.so]
 # Mainly for support for *BSD family. Not right way to do but this is test package and not for production
 incorrect-path-for-interpreter /usr/bin/env perl != /usr/bin/perl [usr/share/mysql/mysql-test/std_data/checkDBI_DBD-MariaDB.pl]
 incorrect-path-for-interpreter /usr/bin/env perl != /usr/bin/perl [usr/share/mysql/mysql-test/suite/engines/rr_trx/run_stress_tx_rr.pl]

plugin/auth_pam/testing/CMakeLists.txt

@@ -10,6 +10,8 @@ IF(CMAKE_C_COMPILER_ID MATCHES "Clang")
     PROPERTY COMPILE_FLAGS "-Wno-incompatible-pointer-types-discards-qualifiers")
 ENDIF()
 
-SET(dest DESTINATION "${INSTALL_MYSQLTESTDIR}/suite/plugins/pam" COMPONENT Test)
-INSTALL(TARGETS pam_mariadb_mtr ${dest})
-INSTALL(FILES mariadb_mtr.conf RENAME mariadb_mtr ${dest})
+IF (NOT DEB) # avoid arch-dependent-file-in-usr-share error
+  SET(dest DESTINATION "${INSTALL_MYSQLTESTDIR}/suite/plugins/pam" COMPONENT Test)
+  INSTALL(TARGETS pam_mariadb_mtr ${dest})
+  INSTALL(FILES mariadb_mtr.conf RENAME mariadb_mtr ${dest})
+ENDIF()