added Test for station without Info text

src/main/java/device/radioPlayer/RadioPlayer.java

@@ -40,8 +40,8 @@ public class RadioPlayer implements Device {
         else if (x >= 13 && x < 16) return BR3Info[3];
         else if (x >= 16 && x < 19) return BR3Info[4];
         else if (x >= 19 && x < 21) return BR3Info[5];
-        else if (x >= 22 && x <= 23) return BR3Info[5];
-        else return BR3Info[6];
+        else if (x >= 22 && x <= 23) return BR3Info[6];
+        else return BR3Info[7];
     }
 
     String[] BR3Info = {"Sebastian Winkler und die Frühaufdreher", "BAYERN 3 - und DU mittendrin!", "Update", "Hits, Hits, Hits für euren Nachmittag", "Die Zwei für euren Feierabend", "Was geht?!", "Matuschke - der etwas andere Abend","Die Nacht"};

src/test/java/device/radioPlayer/RadioPlayerTest.java

@@ -146,11 +146,14 @@ class RadioPlayerTest {
         rp3.changeRegion("BY");
         rp3.next();
         rp3.next();
+        RadioPlayer rp4 = new RadioPlayer();
+        rp4.next();
 
         return Stream.of(
                 Arguments.of("Show Station Info for first saved Radio", rp1, rp1.getYouFMInfoByTime(rp1.hour)),
                 Arguments.of("Show Station Info for regional Station", rp2, rp2.getAntenneBYInfoByTime(rp2.hour)),
-                Arguments.of("Test for getting info text after station switching ", rp3, rp1.getBR3InfoByTime(rp3.hour))
+                Arguments.of("Test for getting info text after station switching ", rp3, rp1.getBR3InfoByTime(rp3.hour)),
+                Arguments.of("Show info text for a station without ", rp4, "")
         );
     }