Added new test to test 58 and missing printCoverage before return 0 on _58.java

Author: CeciTerena

Diff for: src/main/java/com/fishercoder/solutions/_58.java

@@ -14,6 +14,7 @@ public static class Solution1 {
         public int lengthOfLastWord(String s) {
             if (s == null || s.length() == 0) {
                 branchCoverage.put("flag1", true);
+                printCoverage();
                 return 0;
             }
             s = s.trim();

Diff for: src/test/java/com/fishercoder/_58Test.java

@@ -18,4 +18,9 @@ public void setup() {
     public void test1() {
         assertEquals(5, solution1.lengthOfLastWord("Hello World"));
     }
+
+    @Test
+    public void CeciliaTest() {
+        assertEquals(0, solution1.lengthOfLastWord(null));
+    }
 }