fix(charset): read file with charset or as bytes

src/test/java/co/com/bancolombia/utils/FileUtilsTest.java

@@ -47,6 +47,24 @@ void readFile() throws IOException {
     assertEquals("hello", response);
   }
 
+  @Test
+  void readFileWithEncodingISO8859() throws IOException {
+    Project project =
+        ProjectBuilder.builder().withProjectDir(new File("src/test/resources")).build();
+    String response = FileUtils.readFile(project, "temp-iso-8859-1.txt");
+
+    assertEquals("¿cómo funcionará?", response);
+  }
+
+  @Test
+  void readFileWithOtherEncoding() throws IOException {
+    Project project =
+        ProjectBuilder.builder().withProjectDir(new File("src/test/resources")).build();
+    String response = FileUtils.readFile(project, "temp-other.txt");
+
+    assertEquals("*\u00ADx>e\u0001%ËØ´£/!vd\u0007", response);
+  }
+
   @Test
   void readFileFromResources() throws IOException {
     DefaultResolver resolver = new DefaultResolver();

src/test/resources/temp-iso-8859-1.txt

@@ -0,0 +1 @@
+�c�mo funcionar�?

src/test/resources/temp-other.txt

@@ -0,0 +1 @@
+*�x>e
%�ش�/!vd