GH-320 - Explicitly drop non-bootstrapped module beans during test run.

We now explicitly drop all beans resulting in a type that's contained in an application module *not* included in the current test bootstrap.

spring-modulith-integration-test/src/test/java/com/acme/myproject/moduleD/ModuleDTest.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.acme.myproject.moduleD;
+
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ConfigurableApplicationContext;
+
+import com.acme.myproject.NonVerifyingModuleTest;
+import com.acme.myproject.moduleE.ServiceComponentE;
+
+/**
+ * @author Oliver Drotbohm
+ */
+@NonVerifyingModuleTest
+class ModuleDTest {
+
+	@Autowired ConfigurableApplicationContext context;
+
+	@Test // GH-320
+	void dropsManuallyDeclaredBeanOfNonIncludedModule() {
+		assertThat(context.getBeanNamesForType(ServiceComponentE.class)).isEmpty();
+	}
+}