Improve tests

support/test/run_test_vim

@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 
-RUN_VIM="vim --noplugin --clean --not-a-term -Nu vimrc"
-RUN_TEST="${RUN_VIM} -S run_test.vim"
-
-pushd tests > /dev/null
-
-exec $RUN_VIM "$@"
+exec vim \
+     --clean \
+     --not-a-term \
+     --cmd "let g:vimspector_enable_mappings='HUMAN'" \
+     -Nu $(dirname $0)/../../tests/vimrc \
+     "$@"