Sync and fix tests for ICU 60.1 compat

ext/intl/tests/breakiter_preceding_basic2.phpt

@@ -21,5 +21,5 @@ var_dump($bi->preceding(-1));
 --EXPECTF--
 int(4)
 int(21)
-int(%d)
+int(%i)
 ==DONE==

ext/intl/tests/uconverter_oop_callback2.phpt

@@ -2,7 +2,7 @@
 UConverter::convert() w/ Callback Reasons
 --SKIPIF--
 <?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
-<?php if (version_compare(INTL_ICU_VERSION, '58.1') < 0) die('skip for ICU >= 58.1'); ?>
+<?php if (version_compare(INTL_ICU_VERSION, '60.1') < 0) die('skip for ICU >= 60.1'); ?>
 --FILE--
 <?php
 class MyConverter extends UConverter {
@@ -28,19 +28,23 @@ $c = new MyConverter('ascii', 'utf-8');
 foreach(array("regular", "irregul\xC1\xA1r", "\xC2\xA1unsupported!") as $word) {
   $c->convert($word);
 }
---EXPECTF--
+--EXPECT--
 toUCallback(REASON_RESET, ...)
 toUCallback(REASON_RESET, ...)
 fromUCallback(REASON_RESET, ...)
 fromUCallback(REASON_RESET, ...)
 toUCallback(REASON_RESET, ...)
-toUCallback(REASON_ILLEGAL, ...)%S
+toUCallback(REASON_ILLEGAL, ...)
+toUCallback(REASON_ILLEGAL, ...)
 toUCallback(REASON_RESET, ...)
-toUCallback(REASON_ILLEGAL, ...)%S
+toUCallback(REASON_ILLEGAL, ...)
+toUCallback(REASON_ILLEGAL, ...)
 fromUCallback(REASON_RESET, ...)
-fromUCallback(REASON_UNASSIGNED, ...)%S
+fromUCallback(REASON_UNASSIGNED, ...)
+fromUCallback(REASON_UNASSIGNED, ...)
 fromUCallback(REASON_RESET, ...)
-fromUCallback(REASON_UNASSIGNED, ...)%S
+fromUCallback(REASON_UNASSIGNED, ...)
+fromUCallback(REASON_UNASSIGNED, ...)
 toUCallback(REASON_RESET, ...)
 toUCallback(REASON_RESET, ...)
 fromUCallback(REASON_RESET, ...)