Fix test, fail in dup2_x1

src/main/java/net/runelite/deob/attributes/code/instructions/Dup2_X1.java

@@ -138,7 +138,7 @@ public class Dup2_X1 extends Instruction implements DupInstruction
 		else
 			throw new IllegalStateException();
 				
-		return ctx.getPushes().get(orig);
+		return ctx.getPops().get(orig);
 	}
 
 	@Override

src/test/java/net/runelite/deob/deobfuscators/arithmetic/MultiplicationDeobfuscatorTest.java

@@ -609,7 +609,7 @@ public class MultiplicationDeobfuscatorTest
 		d.run(group);
 		
 		Assert.assertEquals(1L, constant1.getConstantAsLong());
-//		Assert.assertEquals(1L, constant2.getConstantAsLong());
+		Assert.assertEquals(1L, constant2.getConstantAsLong());
-//		Assert.assertEquals(1L, constant3.getConstantAsLong());
+		Assert.assertEquals(1L, constant3.getConstantAsLong());
 	}
 }