[Bridge/PhpUnit] fix tests

Author: nicolas-grekas

src/Symfony/Bridge/PhpUnit/Tests/DeprecationErrorHandler/weak_vendors_on_eval_d_deprecation.phpt

@@ -21,3 +21,5 @@ eval("@trigger_error('who knows where I come from?', E_USER_DEPRECATED);")
 --EXPECTF--
 
 Other deprecation notices (1)
+
+  1x: who knows where I come from?

src/Symfony/Bridge/PhpUnit/Tests/DeprecationErrorHandler/weak_vendors_on_phar_deprecation.phpt

@@ -23,3 +23,5 @@ include 'phar://deprecation.phar/deprecation.php';
 --EXPECTF--
 
 Other deprecation notices (1)
+
+  1x: I come from… afar! :D

src/Symfony/Bridge/PhpUnit/Tests/DeprecationErrorHandler/weak_vendors_on_vendor.phpt

@@ -22,8 +22,19 @@ require __DIR__.'/fake_vendor/acme/lib/deprecation_riddled.php';
 --EXPECTF--
 Unsilenced deprecation notices (2)
 
+  1x: unsilenced foo deprecation
+    1x in FooTestCase::testLegacyFoo
+
+  1x: unsilenced bar deprecation
+    1x in FooTestCase::testNonLegacyBar
+
 Remaining vendor deprecation notices (1)
 
+  1x: silenced bar deprecation
+    1x in FooTestCase::testNonLegacyBar
+
 Legacy deprecation notices (1)
 
 Other deprecation notices (1)
+
+  1x: root deprecation