patch 9.0.2080: vim9_script test too large

Problem:  vim9_script test too large
Solution: split vim9 type alias test into
          separate test file

Move type alias tests to a separate test file

closes: #13447

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

Author: yegappan

src/testdir/Make_all.mak

@@ -44,7 +44,8 @@ TEST_VIM9 = \
 	test_vim9_fails \
 	test_vim9_func \
 	test_vim9_import \
-	test_vim9_script
+	test_vim9_script \
+	test_vim9_typealias
 
 TEST_VIM9_RES = \
 	test_vim9_assign.res \
@@ -56,7 +57,8 @@ TEST_VIM9_RES = \
 	test_vim9_fails.res \
 	test_vim9_func.res \
 	test_vim9_import.res \
-	test_vim9_script.res
+	test_vim9_script.res \
+	test_vim9_typealias.res
 
 # Benchmark scripts.
 SCRIPTS_BENCH = test_bench_regexp.res