$backtrace = new Horde_Support_Backtrace(array_slice($this->instanceMethod(), 0, 4));
$file = __FILE__;
$this->assertEquals("1. Horde_Support_BacktraceTest->testToString()
-2. Horde_Support_BacktraceTest->instanceMethod() $file:89
-3. Horde_Support_BacktraceTest::staticMethod() $file:29
-4. backtraceTestFunction() $file:34
+2. Horde_Support_BacktraceTest->instanceMethod() $file:94
+3. Horde_Support_BacktraceTest::staticMethod() $file:34
+4. backtraceTestFunction() $file:39
",
(string)$backtrace);
}