Fix README; adapt test to fit tests name

Complements 078b461.

README.md

@@ -717,9 +717,10 @@ Encodes a field value as URI. Aka percent-encoding.
 
 Options:
 
-- `allow_empty_values`: Sets whether to allow empty values in the filemap or to ignore these entries. (Default: `false`)
-- `compression`: Sets the compression of the file.
-
+- `plus_for_space`: Sets whether "space" (' ') will be substituted by a "plus" ('+') or be percent escaped ('%20'). Default: `true`)
+- `safe_chars`: Sets characters that won't be escaped. Safe characters are the
+ranges 0..9, a..z and A..Z. These are always safe and should not be specified.
+Default safe characters are also ".", "-", "*", and "_".
 
 ```perl
 uri_encode("<sourceField>"[, <options>...])

metafix/src/test/java/org/metafacture/metafix/MetafixMethodTest.java

@@ -4047,7 +4047,7 @@ public void shouldUriEncodePathSegmentWithoutPlusForSpace() {
     @Test
     public void shouldUriEncodePathSegmentWithoutSafeChars() {
         MetafixTestHelpers.assertFix(streamReceiver, Arrays.asList(
-                "uri_encode('id', safe_chars:'', plus_for_space:'false')"
+                "uri_encode('id', safe_chars:'')"
             ),
             i -> {
                 i.startRecord("1");
@@ -4056,7 +4056,7 @@ public void shouldUriEncodePathSegmentWithoutSafeChars() {
             },
             o -> {
                 o.get().startRecord("1");
-                o.get().literal("id", "%2FDE%2DA96%3A%25%20%283%29%23%21");
+                o.get().literal("id", "%2FDE%2DA96%3A%25+%283%29%23%21");
                 o.get().endRecord();
             }
         );