patch 8.2.0183: tests fail when the float feature is disabled

Problem:    Tests fail when the float feature is disabled.
Solution:   Skip tests that don't work without float support.
diff --git a/src/testdir/test_glob2regpat.vim b/src/testdir/test_glob2regpat.vim
index 29c8d99..a423a4a 100644
--- a/src/testdir/test_glob2regpat.vim
+++ b/src/testdir/test_glob2regpat.vim
@@ -1,7 +1,9 @@
 " Test glob2regpat()
 
 func Test_glob2regpat_invalid()
-  call assert_fails('call glob2regpat(1.33)', 'E806:')
+  if has('float')
+    call assert_fails('call glob2regpat(1.33)', 'E806:')
+  endif
   call assert_fails('call glob2regpat("}")', 'E219:')
   call assert_fails('call glob2regpat("{")', 'E220:')
 endfunc