added a default method

OneModuleCI/src/main/java/utilities/A.java

@@ -3,6 +3,6 @@
 class A implements I {
     @Override
     public Integer doubleIt(Integer i) {
-        return 2 * i;
+        return 4 * i;
     }
 }

OneModuleCI/src/main/java/utilities/I.java

@@ -2,4 +2,8 @@
 
 interface I {
     Integer doubleIt(Integer i);
+    int level = 5;
+    default double getTemperature(int i) {
+        return i * level;
+    }
 }

OneModuleCI/src/test/java/utilities/ADiffblueTest.java

@@ -0,0 +1,16 @@
+package utilities;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+
+class ADiffblueTest {
+  /**
+  * Method under test: {@link A#doubleIt(Integer)}
+  */
+  @Test
+  void testDoubleIt() {
+    // Arrange, Act and Assert
+    assertEquals(4, (new A()).doubleIt(1).intValue());
+  }
+}
+

OneModuleCI/src/test/java/utilities/BDiffblueTest.java

@@ -0,0 +1,16 @@
+package utilities;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+
+class BDiffblueTest {
+  /**
+  * Method under test: {@link B#doubleIt(Integer)}
+  */
+  @Test
+  void testDoubleIt() {
+    // Arrange, Act and Assert
+    assertEquals(2, (new B()).doubleIt(1).intValue());
+  }
+}
+

OneModuleCI/src/test/java/utilities/IDiffblueTest.java

@@ -0,0 +1,16 @@
+package utilities;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+
+class IDiffblueTest {
+  /**
+  * Method under test: {@link I#getTemperature(int)}
+  */
+  @Test
+  void testGetTemperature() {
+    // Arrange, Act and Assert
+    assertEquals(5.0d, (new A()).getTemperature(1));
+  }
+}
+