Adding codecov 100% check

pom.xml

@@ -99,6 +99,26 @@
               <goal>report</goal>
             </goals>
           </execution>
+          <execution>
+            <id>jacoco-check</id>
+            <goals>
+              <goal>check</goal>
+            </goals>
+            <configuration>
+              <rules>
+                <rule>
+                  <element>BUNDLE</element>
+                  <limits>
+                    <limit>
+                      <counter>LINE</counter>
+                      <value>COVEREDRATIO</value>
+                      <minimum>100%</minimum>
+                    </limit>
+                  </limits>
+                </rule>
+              </rules>
+            </configuration>
+          </execution>
         </executions>
       </plugin>
       <plugin>

src/main/java/org/quickstart/Main.java

@@ -2,6 +2,6 @@
 
 public class Main {
   public static void main(String[] args) {
-    System.out.println("Hello world!");
+
   }
 }

src/test/java/org/quickstart/ExampleTest.java

@@ -1,9 +1,12 @@
 package org.quickstart;
 
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
 public class ExampleTest {
   @Test
   public void nothing() {
+    Main.main(new String[]{});
+    Assertions.assertEquals(new Main().getClass().getSimpleName(), "Main");
   }
 }