Acronym: Update tests and version

The tests and version number do not tally with the
problem-specifications repository.

Let’s update them.

exercises/acronym/.meta/version

-1.2.0
+1.3.0

exercises/acronym/src/test/java/AcronymTest.java

 
     @Ignore("Remove to run test")
     @Test
-    public void allCapsWords() {
-        final String phrase = "PHP: Hypertext Preprocessor";
-        final String expected = "PHP";
-        assertEquals(expected, new Acronym(phrase).get());
-    }
-
-    @Ignore("Remove to run test")
-    @Test
     public void NonAcronymAllCapsWord() {
         final String phrase = "GNU Image Manipulation Program";
         final String expected = "GIMP";
 
     @Ignore("Remove to run test")
     @Test
-    public void hyphenated() {
+    public void punctuationWithoutWhitespace() {
         final String phrase = "Complementary metal-oxide semiconductor";
         final String expected = "CMOS";
         assertEquals(expected, new Acronym(phrase).get());