Bug#45605: ps_not_windows.test fails:

           The plugin feature is disabled, you need HAVE_DLOPEN

Selectively skip tests that require dynamic loading (ie: static builds).

mysql-test/include/have_dynamic_loading.inc:
  Add require file.
mysql-test/t/ps_not_windows.test:
  Test requires dynamic loading support.

mysql-test/include/have_dynamic_loading.inc

+#
+# Whether server supports dynamic loading.
+#
+--require r/have_dynamic_loading.require
+disable_query_log;
+show variables like 'have_dynamic_loading';
+enable_query_log;

mysql-test/include/have_example_plugin.inc

@@ -2,10 +2,7 @@
 # Check if server has support for loading udf's
 # i.e it will support dlopen
 #
---require r/have_dynamic_loading.require
-disable_query_log;
-show variables like 'have_dynamic_loading';
-enable_query_log;
+--source include/have_dynamic_loading.inc
 
 #
 # Check if the variable EXAMPLE_PLUGIN is set

mysql-test/include/have_simple_parser.inc

@@ -2,10 +2,7 @@
 # Check if server has support for loading udf's
 # i.e it will support dlopen
 #
---require r/have_dynamic_loading.require
-disable_query_log;
-show variables like 'have_dynamic_loading';
-enable_query_log;
+--source include/have_dynamic_loading.inc
 
 #
 # Check if the variable SIMPLE_PARSER is set

mysql-test/include/have_udf.inc

@@ -2,10 +2,7 @@
 # Check if server has support for loading udf's
 # i.e it will support dlopen
 #
---require r/have_dynamic_loading.require
-disable_query_log;
-show variables like 'have_dynamic_loading';
-enable_query_log;
+--source include/have_dynamic_loading.inc
 
 #
 # Check if the variable UDF_EXAMPLE_LIB is set

mysql-test/t/ps_not_windows.test

@@ -2,6 +2,8 @@
 --source include/not_embedded.inc
 # Non-windows specific ps tests.
 --source include/not_windows.inc
+# requires dynamic loading
+--source include/have_dynamic_loading.inc
 
 #
 # Bug #20665: All commands supported in Stored Procedures should work in