Update PrimitivesTests.wurst

Author: Frotty

wurst/_handles/primitives/PrimitivesTests.wurst

@@ -45,9 +45,9 @@ function testBoolean()
 
 @Test
 function testArrayLength()
-	let x = [1, 2, 3]
-	print("length: " + x.length.toString())
-	x.length.assertEquals(3)
+	let _x = [1, 2, 3]
+	print("length: " + _x.length.toString())
+	_x.length.assertEquals(3)
 
 @Test
 function testParity()