message: Add missing `requires_git` requirements.
diff: @@ -2642,7 +2642,7 @@ fn failed_submodule_checkout() {
  t.join().unwrap();
  }
  -#[cargo_test]
  +#[cargo_test(requires_git)]
  fn use_the_cli() {
  let project = project();
  let git_project = git::new("dep1", |project| {
  @@ -2743,7 +2743,7 @@ fn templatedir_doesnt_cause_problems() {
  p.cargo("build").run();
  }
  -#[cargo_test]
  +#[cargo_test(requires_git)]
  fn git_with_cli_force() {
  // Supports a force-pushed repo.
  let git_project = git::new("dep1", |project| {
  @@ -2800,7 +2800,7 @@ fn git_with_cli_force() {
  p.rename_run("foo", "foo2").with_stdout("two").run();
  }
  -#[cargo_test]
  +#[cargo_test(requires_git)]
  fn git_fetch_cli_env_clean() {
  // This tests that git-fetch-with-cli works when GIT_DIR environment
  // variable is set (for whatever reason).
  