Better test

Author: garydgregory

src/test/java/org/apache/commons/io/build/AbstractOriginTest.java

@@ -25,6 +25,8 @@
 import java.io.Reader;
 import java.io.Writer;
 import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Objects;
 
 import org.junit.jupiter.api.Test;
@@ -62,7 +64,7 @@ protected void setOriginRw(final AbstractOrigin<T, B> origin) {
 
     @Test
     public void testGetByteArray() throws IOException {
-        assertNotNull(getOriginRo().getByteArray());
+        assertArrayEquals(Files.readAllBytes(Paths.get(FILE_NAME_RO)), getOriginRo().getByteArray());
     }
 
     @Test