support multiple output lines in test

src/test/java/SolutionTest.java

@@ -53,7 +53,14 @@ class SolutionTest {
 			System.out.println( String.format( "Solution took %01d.%03d secs",  duration / 1000,  duration % 1000 ));
 			
 			try (BufferedReader chk = new BufferedReader( new InputStreamReader( new ByteArrayInputStream( bos.toByteArray() )))) {
-				assertEquals( expected, chk.readLine() );
+				String[] expectedLines = expected.split( "\\s*[|]\\s*" );
+				
+				int lineCount = 0;
+				String line;
+				for ( ; (line = chk.readLine()) != null; lineCount++ ) {
+					assertEquals( expectedLines[ lineCount ], line );
+				}
+				assertEquals( expectedLines.length, lineCount );
 			}
 		}
 		finally {