simplified PHPUnit exception expectations

Author: fabpot

Tests/Command/CommandTest.php

@@ -188,7 +188,7 @@ public function testGetSetAliases()
     public function testSetAliasesNull()
     {
         $command = new \TestCommand();
-        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('InvalidArgumentException');
+        $this->expectException('InvalidArgumentException');
         $command->setAliases(null);
     }
 

Tests/Formatter/OutputFormatterStyleTest.php

@@ -41,7 +41,7 @@ public function testForeground()
         $style->setForeground('default');
         $this->assertEquals("\033[39mfoo\033[39m", $style->apply('foo'));
 
-        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('InvalidArgumentException');
+        $this->expectException('InvalidArgumentException');
         $style->setForeground('undefined-color');
     }
 
@@ -58,7 +58,7 @@ public function testBackground()
         $style->setBackground('default');
         $this->assertEquals("\033[49mfoo\033[49m", $style->apply('foo'));
 
-        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('InvalidArgumentException');
+        $this->expectException('InvalidArgumentException');
         $style->setBackground('undefined-color');
     }