modify tests to use new flag

Author: steveklabnik

src/test/rustdoc/empty-mod-private.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags: --no-defaults --passes collapse-docs --passes unindent-comments --passes strip-priv-imports
+// compile-flags: --document-private-items
 
 // @has 'empty_mod_private/index.html' '//a[@href="foo/index.html"]' 'foo'
 // @has 'empty_mod_private/sidebar-items.js' 'foo'

src/test/rustdoc/issue-15347.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags:--no-defaults --passes collapse-docs --passes unindent-comments
+// compile-flags: --no-defaults --passes collapse-docs --passes unindent-comments
 
 // @has issue_15347/fn.foo.html
 #[doc(hidden)]

src/test/rustdoc/pub-method.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags: --no-defaults --passes collapse-docs --passes unindent-comments --passes strip-priv-imports
+// compile-flags: --document-private-items
 
 #![crate_name = "foo"]