Delete unused code

spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcWebClientBuilderTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -114,10 +114,6 @@ class MockMvcWebClientBuilderTests {
 		assertThat(getResponse(client, url).getContentAsString()).isEqualTo("mvc");
 	}
 
-	private void assertMockMvcNotUsed(WebClient client, String url) throws Exception {
-		assertThat(getResponse(client, url).getContentAsString()).isNotEqualTo("mvc");
-	}
-
 	private WebResponse getResponse(WebClient client, String url) throws IOException {
 		return createResponse(client, new WebRequest(new URL(url)));
 	}

spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/webdriver/MockMvcHtmlUnitDriverBuilderTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -112,10 +112,6 @@ class MockMvcHtmlUnitDriverBuilderTests {
 		assertThat(get(url)).contains(EXPECTED_BODY);
 	}
 
-	private void assertMockMvcNotUsed(String url) throws Exception {
-		assertThat(get(url)).doesNotContain(EXPECTED_BODY);
-	}
-
 	private String get(String url) throws IOException {
 		this.driver.get(url);
 		return this.driver.getPageSource();