[skip ci] Fix tests with multiline titles (GH-17763)

See GH-17761

tests/classes/unset_properties.phpt

@@ -1,6 +1,5 @@
 --TEST--
-Un-setting instance properties causes magic methods to be called when trying to access them from outside the magic
-methods themselves.
+Un-setting instance properties causes magic methods to be called when trying to access them from outside the magic methods themselves.
 --FILE--
 <?php
 

tests/lang/foreachLoop.010.phpt

@@ -1,5 +1,6 @@
 --TEST--
 This test illustrates the impact of invoking destructors when refcount is decremented to 0 on foreach.
+--DESCRIPTION--
 It will pass only if the 'contentious code' in PHPValue.decReferences() is enabled.
 --FILE--
 <?php

tests/lang/func_get_arg.005.phpt

@@ -1,5 +1,6 @@
 --TEST--
 A variable, which is referenced by another variable, is passed by value.
+--DESCRIPTION--
 During the call, the original variable is updated. This should not affect func_get_arg().
 --FILE--
 <?php

tests/output/stream_isatty_no_warning_on_cast.phpt

@@ -1,5 +1,6 @@
 --TEST--
-stream_isatty(): casting stream does not emit data loss and should not emit warnings
+stream_isatty(): casting stream does not emit data loss and should not emit warnings.
+--DESCRIPTION--
 Bug GH-10092 (Internal stream casting should not emit lost bytes warning twice)
 --SKIPIF--
 <?php