update;

src/test/java/rocks/zipcode/quiz3a/fundamentals/stringutils/LowerCaseMiddleCharacterTest.java

         String expected = "o";
 
         // when
-        String actual = StringUtils.capitalizeMiddleCharacter(input);
+        String actual = StringUtils.lowerCaseMiddleCharacter(input);
 
         // then
         Assert.assertEquals(expected, actual);
         String expected = "OoO";
 
         // when
-        String actual = StringUtils.capitalizeMiddleCharacter(input);
+        String actual = StringUtils.lowerCaseMiddleCharacter(input);
 
         // then
         Assert.assertEquals(expected, actual);

src/test/java/rocks/zipcode/quiz3a/objectorientation/food/GetSpiceCountTest.java

 import org.junit.Assert;
 import org.junit.Test;
 import rocks.zipcode.quiz3a.collections.Food;
+import rocks.zipcode.quiz3a.objectorientation.Curry;
+import rocks.zipcode.quiz3a.objectorientation.Ginger;
 import rocks.zipcode.quiz3a.objectorientation.Pepper;
 import rocks.zipcode.quiz3a.objectorientation.Spice;
 
 import java.util.Map;
+import java.util.function.Supplier;
 
 public class GetSpiceCountTest {
     @Test
     public void test1() {
+        test(5, Pepper::new);
+    }
+
+    @Test
+    public void test2() {
+        test(10, Pepper::new);
+    }
+
+    @Test
+    public void test3() {
+        test(3, Curry::new);
+    }
+
+
+    @Test
+    public void test4() {
+        test(6, Curry::new);
+    }
+
+    @Test
+    public void test5() {
+        test(2, Ginger::new);
+    }
+
+    @Test
+    public void test6() {
+        test(4, Ginger::new);
+    }
+
+    public void test(Integer amountOfIngredients, Supplier<?> ingredientConstructor) {
         // given
+        Integer expected = amountOfIngredients;
         Food food = new Food();
-        Integer expected = 5;
         Spice pepper = null;
-        for (int i = 0; i < expected; i++) {
-            pepper = (Spice)new Pepper();
+        for (int i = 0; i < amountOfIngredients; i++) {
+            pepper = (Spice) ingredientConstructor.get();
             food.applySpice(pepper);
         }