patch 9.1.1095: tests: matchparen plugin test wrongly named

Problem:  tests: matchparen plugin test wrongly named
          (zeertzjq)
Solution: rename test_matchparen to test_plugin_matchparen
          to be consistent with the other plugin tests

related: #16599

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index ee97102..b7c9221 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -218,7 +218,6 @@
 	test_matchadd_conceal \
 	test_matchadd_conceal_utf8 \
 	test_matchfuzzy \
-	test_matchparen \
 	test_memory_usage \
 	test_menu \
 	test_messages \
@@ -242,6 +241,7 @@
 	test_perl \
 	test_plugin_glvs \
 	test_plugin_man \
+	test_plugin_matchparen \
 	test_plugin_termdebug \
 	test_plugin_tohtml \
 	test_plugin_zip \
@@ -483,7 +483,6 @@
 	test_matchadd_conceal.res \
 	test_matchadd_conceal_utf8.res \
 	test_matchfuzzy.res \
-	test_matchparen.res \
 	test_memory_usage.res \
 	test_menu.res \
 	test_messages.res \
@@ -505,6 +504,7 @@
 	test_perl.res \
 	test_plugin_glvs.res \
 	test_plugin_man.res \
+	test_plugin_matchparen.res \
 	test_plugin_termdebug.res \
 	test_plugin_tohtml.res \
 	test_plugin_zip.res \