Replaced Mockito.mock by creating actual object

Signed-off-by: Kanu <[email protected]>

jkube-kit/jkube-kit-vertx/src/test/java/org/eclipse/jkube/vertx/generator/VertxGeneratorIsApplicableTest.java

@@ -21,15 +21,13 @@
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
-import org.mockito.Mockito;
 
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Stream;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.params.provider.Arguments.arguments;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
 class VertxGeneratorIsApplicableTest {
@@ -38,8 +36,10 @@ class VertxGeneratorIsApplicableTest {
 
   @BeforeEach
   void setUp() {
-    project = mock(JavaProject.class, Mockito.RETURNS_DEEP_STUBS);
-    context = mock(GeneratorContext.class, Mockito.RETURNS_DEEP_STUBS);
+    project = JavaProject.builder().build();
+    context = GeneratorContext.builder()
+            .project(project)
+            .build();
     when(context.getProject()).thenReturn(project);
   }
 
@@ -56,8 +56,9 @@ static Stream<Arguments> data() {
   @MethodSource("data")
   void isApplicable(String testDescription, List<Plugin> pluginList, List<Dependency> dependencyList, boolean expectedValue) {
     // Given
-    when(project.getPlugins()).thenReturn(pluginList);
-    when(project.getDependencies()).thenReturn(dependencyList);
+    context = context.toBuilder()
+            .project(project.toBuilder().plugins(pluginList).dependencies(dependencyList).build())
+            .build();
     // When
     final boolean result = new VertxGenerator(context).isApplicable(Collections.emptyList());
     // Then