Relocate MimeMapping Tomcat comparison test

See gh-32101

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/server/MimeMappingsTests.java

@@ -16,12 +16,15 @@
 
 package org.springframework.boot.web.server;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Properties;
 import java.util.regex.Pattern;
 
+import org.apache.catalina.startup.Tomcat;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.aot.hint.RuntimeHints;
@@ -29,6 +32,8 @@ import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
 import org.springframework.boot.web.server.MimeMappings.DefaultMimeMappings;
 import org.springframework.boot.web.server.MimeMappings.Mapping;
 import org.springframework.boot.web.server.MimeMappings.MimeMappingsRuntimeHints;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.core.io.support.PropertiesLoaderUtils;
 import org.springframework.test.util.ReflectionTestUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -210,6 +215,15 @@ class MimeMappingsTests {
 		assertThat(lazyCopy.get("json")).isEqualTo("other/json");
 	}
 
+	@Test
+	void mimeMappingsMatchesTomcatDefaults() throws IOException {
+		Properties ourDefaultMimeMappings = PropertiesLoaderUtils
+				.loadProperties(new ClassPathResource("mime-mappings.properties", getClass()));
+		Properties tomcatDefaultMimeMappings = PropertiesLoaderUtils
+				.loadProperties(new ClassPathResource("MimeTypeMappings.properties", Tomcat.class));
+		assertThat(ourDefaultMimeMappings).isEqualTo(tomcatDefaultMimeMappings);
+	}
+
 	@Test
 	void shouldRegisterHints() {
 		RuntimeHints runtimeHints = new RuntimeHints();

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/server/AbstractServletWebServerFactoryTests.java

@@ -45,7 +45,6 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Objects;
-import java.util.Properties;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.Callable;
@@ -78,7 +77,6 @@ import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import jakarta.servlet.http.HttpSession;
-import org.apache.catalina.startup.Tomcat;
 import org.apache.catalina.webresources.TomcatURLStreamHandlerFactory;
 import org.apache.http.HttpResponse;
 import org.apache.http.client.HttpClient;
@@ -136,7 +134,6 @@ import org.springframework.boot.web.servlet.server.Session.SessionTrackingMode;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.FileSystemResource;
 import org.springframework.core.io.Resource;
-import org.springframework.core.io.support.PropertiesLoaderUtils;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.client.ClientHttpRequest;
@@ -961,20 +958,6 @@ public abstract class AbstractServletWebServerFactoryTests {
 		assertThat(configuredMimeMappings.size()).isEqualTo(expectedMimeMappings.size());
 	}
 
-	@Test
-	void mimeMappingsContainsDefaultsOfTomcat() throws IOException {
-		AbstractServletWebServerFactory factory = getFactory();
-		this.webServer = factory.getWebServer();
-		Map<String, String> configuredMimeMappings = getActualMimeMappings();
-		// override defaults, see org.apache.catalina.startup.MimeTypeMappings.properties
-		Properties tomcatDefaultMimeMappings = PropertiesLoaderUtils
-				.loadProperties(new ClassPathResource("MimeTypeMappings.properties", Tomcat.class));
-		for (String extension : tomcatDefaultMimeMappings.stringPropertyNames()) {
-			assertThat(configuredMimeMappings).containsEntry(extension,
-					tomcatDefaultMimeMappings.getProperty(extension));
-		}
-	}
-
 	@Test
 	void rootServletContextResource() {
 		AbstractServletWebServerFactory factory = getFactory();