Merge branch 'ab/fail-prereqs-in-test'

Test updates.

* ab/fail-prereqs-in-test:
  tests: mark two failing tests under FAIL_PREREQS

t/t0007-git-var.sh

@@ -17,7 +17,7 @@ test_expect_success 'get GIT_COMMITTER_IDENT' '
 	test_cmp expect actual
 '
 
-test_expect_success !AUTOIDENT 'requested identites are strict' '
+test_expect_success !FAIL_PREREQS,!AUTOIDENT 'requested identites are strict' '
 	(
 		sane_unset GIT_COMMITTER_NAME &&
 		sane_unset GIT_COMMITTER_EMAIL &&

t/t7502-commit-porcelain.sh

@@ -402,7 +402,7 @@ echo editor started >"$(pwd)/.git/result"
 exit 0
 EOF
 
-test_expect_success !AUTOIDENT 'do not fire editor when committer is bogus' '
+test_expect_success !FAIL_PREREQS,!AUTOIDENT 'do not fire editor when committer is bogus' '
 	>.git/result &&
 
 	echo >>negative &&