Tweak tests so that they still work when the "git init" template
did not create .git/info directory.
* ab/test-without-templates:
tests: don't assume a .git/info for .git/info/sparse-checkout
tests: don't assume a .git/info for .git/info/exclude
tests: don't assume a .git/info for .git/info/refs
tests: don't assume a .git/info for .git/info/attributes
tests: don't assume a .git/info for .git/info/grafts
tests: don't depend on template-created .git/branches
t0008: don't rely on default ".git/info/exclude"
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+TEST_PASSES_SANITIZE_LEAK=true
+ TEST_CREATE_REPO_NO_TEMPLATE=1
. ./test-lib.sh
. "$TEST_DIRECTORY/lib-encoding.sh"
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+TEST_PASSES_SANITIZE_LEAK=true
+ TEST_CREATE_REPO_NO_TEMPLATE=1
. ./test-lib.sh
test_cmp_rev_output () {