Remove exceptions from Football Match Reports exercise (#3020)

Exceptions is a separate concept and it has a dependency on switch, which is covered in Football Match Reports. Removing exception reduces the number of dependencies that Football Match Reports has and breaks this dependency cycle.

Adding this to prevent rerun over existing community solutions

[no important files changed]

Author: AlvesJorge

exercises/concept/football-match-reports/.docs/instructions.md

@@ -27,11 +27,11 @@ FootballMatchReports.onField(10);
 // => "striker"
 ```
 
-## 2. Raise an alert if an unknown shirt number is encountered
+## 2. Output "invalid" if the shirt number is not part of the official list
 
-Modify the `FootballMatchReports.onField()` method to throw an `IllegalArgumentException` when a shirt number outside the range 1-11 is processed.
+Modify the `FootballMatchReports.onField()` method to return 'invalid' when a shirt number outside the range 1-11 is processed.
 
 ```java
 FootballMatchReports.onField(13);
-// => Throw IllegalArgumentException
+// => "invalid"
 ```

exercises/concept/football-match-reports/.meta/config.json

@@ -2,6 +2,9 @@
   "authors": [
     "Azumix"
   ],
+  "contributors": [
+    "AlvesJorge"
+  ],
   "files": {
     "solution": [
       "src/main/java/FootballMatchReports.java"

exercises/concept/football-match-reports/.meta/src/reference/java/FootballMatchReports.java

@@ -30,7 +30,7 @@ public static String onField(int shirtNum) {
                 playerDescription = "striker";
                 break;
             default:
-                throw new IllegalArgumentException();
+                playerDescription = "invalid";
         }
         return playerDescription;
     }

exercises/concept/football-match-reports/src/test/java/FootballMatchReportsTest.java

@@ -3,7 +3,6 @@
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
 
 public class FootballMatchReportsTest {
 
@@ -68,17 +67,15 @@ public void test_right_wing() {
 
     @Test
     @Tag("task:2")
-    @DisplayName("The onField method throws IllegalArgumentException for unknown shirt number")
+    @DisplayName("The onField method returns 'invalid' for invalid shirt number")
     public void test_exception() {
-        assertThatExceptionOfType(IllegalArgumentException.class)
-                .isThrownBy(() -> FootballMatchReports.onField(13));
+        assertThat(FootballMatchReports.onField(13)).isEqualTo("invalid");
     }
 
     @Test
     @Tag("task:2")
-    @DisplayName("The onField method throws IllegalArgumentException for negative shirt number")
+    @DisplayName("The onField method returns 'invalid' for negative shirt number")
     public void test_exception_negative_number() {
-        assertThatExceptionOfType(IllegalArgumentException.class)
-                .isThrownBy(() -> FootballMatchReports.onField(-1));
+        assertThat(FootballMatchReports.onField(-1)).isEqualTo("invalid");
     }
 }