Fix test

src/test/java/info/hkzlab/dupal/analyzer/FormattersTest.java

@@ -21,7 +21,7 @@ public class FormattersTest {
         String header = EspressoFormatter.formatEspressoTableHeader(pSpecs, ioAsOutMask);
         String expectedHeader = "# PAL16L8\n" + ".i 16\n" + ".o 8\n"
                 + ".ilb i1 i2 i3 i4 i5 i6 i7 i8 i9 i11 io16 io15 io14 io13 fio18 fio17 \n"
-                + ".ob o19 o12 io18 io17 o19oe o12oe io18oe io17oe \n" + ".phase 11110000\n\n";
+                + ".ob o19 o12 io18 io17 o19oe o12oe io18oe io17oe \n" + ".phase 00001111\n\n";
 
         assertEquals("EspressoFormatter should build a correct 16L8 header", expectedHeader, header);
     }