Enable integration tests on python3 that are already working (#17212)

test/integration/roles/test_embedded_module/library/test_integration_module

@@ -1,3 +1,3 @@
 #!/usr/bin/env python
 
-print '{"changed":false, "msg":"this is the embedded module"}'
+print('{"changed":false, "msg":"this is the embedded module"}')

test/utils/shippable/python3-test-tag-blacklist.txt

@@ -1,26 +1,16 @@
 test_apache2_module
 test_apt
-test_apt_repository
 test_assemble
 test_async
 test_authorized_key
 test_become
 test_binary
-test_changed_when
-test_command_shell
-test_conditionals
 test_copy
-test_embedded_module
-test_facts_d
-test_failed_when
-test_fetch
 test_file
 test_filters
 test_gem
 test_get_url
 test_git
-test_good_parsing
-test_handlers
 test_hg
 test_iterators
 test_lineinfile
@@ -31,14 +21,10 @@ test_mysql_variables
 test_pip
 test_postgresql
 test_service
-test_special_vars
-test_stat
 test_subversion
 test_sudo
 test_synchronize
-test_task_ordering
 test_template
 test_unarchive
-test_until
 test_uri
 test_var_blending

test/utils/shippable/python3-test-target-blacklist.txt

@@ -1,14 +1,5 @@
-s/ check_mode / /
-s/ environment / /
-s/ includes / /
-s/ no_log / /
 s/ pull / /
+s/ no_log / /
 s/ test_async_conditional / /
 s/ test_binary_modules$/ /
 s/ test_connection / /
-s/ test_handlers / /
-s/ test_hash / /
-s/ test_lookup_paths / /
-s/ test_var_precedence / /
-s/ test_vault / /
-s/ unicode / /