diff --git a/spring-test/src/test/java/org/springframework/mock/web/MockFilterChainTests.java b/spring-test/src/test/java/org/springframework/mock/web/MockFilterChainTests.java
index 6aacd13de9..69e8c5e285 100644
--- a/spring-test/src/test/java/org/springframework/mock/web/MockFilterChainTests.java
+++ b/spring-test/src/test/java/org/springframework/mock/web/MockFilterChainTests.java
@@ -29,6 +29,7 @@ import org.junit.Before;
 import org.junit.Test;
 
 import static org.hamcrest.Matchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 import static org.mockito.BDDMockito.*;
 
diff --git a/spring-test/src/test/java/org/springframework/test/context/ContextHierarchyDirtiesContextTests.java b/spring-test/src/test/java/org/springframework/test/context/ContextHierarchyDirtiesContextTests.java
index c1dcdeff05..2d7c44a7c6 100644
--- a/spring-test/src/test/java/org/springframework/test/context/ContextHierarchyDirtiesContextTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/ContextHierarchyDirtiesContextTests.java
@@ -35,6 +35,7 @@ import org.springframework.test.annotation.DirtiesContext.HierarchyMode;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 
 /**
diff --git a/spring-test/src/test/java/org/springframework/test/context/TestContextConcurrencyTests.java b/spring-test/src/test/java/org/springframework/test/context/TestContextConcurrencyTests.java
index 87a8fe5774..3d08bcd401 100644
--- a/spring-test/src/test/java/org/springframework/test/context/TestContextConcurrencyTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/TestContextConcurrencyTests.java
@@ -27,8 +27,8 @@ import org.junit.Test;
 import static java.util.Arrays.stream;
 import static java.util.stream.Collectors.toCollection;
 import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
 
 /**
  * Integration tests that verify proper concurrency support between a
diff --git a/spring-test/src/test/java/org/springframework/test/context/configuration/interfaces/TestPropertySourceInterfaceTests.java b/spring-test/src/test/java/org/springframework/test/context/configuration/interfaces/TestPropertySourceInterfaceTests.java
index e63275d045..7b6b8c26b7 100644
--- a/spring-test/src/test/java/org/springframework/test/context/configuration/interfaces/TestPropertySourceInterfaceTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/configuration/interfaces/TestPropertySourceInterfaceTests.java
@@ -25,7 +25,7 @@ import org.springframework.core.env.Environment;
 import org.springframework.test.context.junit4.SpringRunner;
 
 import static org.hamcrest.CoreMatchers.*;
-import static org.junit.Assert.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 
 /**
  * @author Sam Brannen
diff --git a/spring-test/src/test/java/org/springframework/test/context/env/InlinedPropertiesTestPropertySourceTests.java b/spring-test/src/test/java/org/springframework/test/context/env/InlinedPropertiesTestPropertySourceTests.java
index ff902c6619..e9af47d41d 100644
--- a/spring-test/src/test/java/org/springframework/test/context/env/InlinedPropertiesTestPropertySourceTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/env/InlinedPropertiesTestPropertySourceTests.java
@@ -28,6 +28,7 @@ import org.springframework.test.context.TestPropertySource;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 import static org.springframework.test.context.support.TestPropertySourceUtils.*;
 
diff --git a/spring-test/src/test/java/org/springframework/test/context/event/EventPublishingTestExecutionListenerIntegrationTests.java b/spring-test/src/test/java/org/springframework/test/context/event/EventPublishingTestExecutionListenerIntegrationTests.java
index cd7bc64687..cc878fe13b 100644
--- a/spring-test/src/test/java/org/springframework/test/context/event/EventPublishingTestExecutionListenerIntegrationTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/event/EventPublishingTestExecutionListenerIntegrationTests.java
@@ -55,7 +55,7 @@ import static java.lang.annotation.ElementType.METHOD;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.CoreMatchers.startsWith;
-import static org.junit.Assert.assertThat;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.only;
diff --git a/spring-test/src/test/java/org/springframework/test/context/junit4/spr6128/AutowiredQualifierTests.java b/spring-test/src/test/java/org/springframework/test/context/junit4/spr6128/AutowiredQualifierTests.java
index 5c32bdfe37..1e7eced86c 100644
--- a/spring-test/src/test/java/org/springframework/test/context/junit4/spr6128/AutowiredQualifierTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/junit4/spr6128/AutowiredQualifierTests.java
@@ -24,8 +24,8 @@ import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.IsEqual.*;
-import static org.junit.Assert.*;
 
 /**
  * Integration tests to verify claims made in <a
diff --git a/spring-test/src/test/java/org/springframework/test/context/support/ContextLoaderUtilsContextHierarchyTests.java b/spring-test/src/test/java/org/springframework/test/context/support/ContextLoaderUtilsContextHierarchyTests.java
index 0ffa9b5804..8f6d94c70c 100644
--- a/spring-test/src/test/java/org/springframework/test/context/support/ContextLoaderUtilsContextHierarchyTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/support/ContextLoaderUtilsContextHierarchyTests.java
@@ -32,6 +32,7 @@ import org.springframework.test.context.ContextHierarchy;
 import org.springframework.test.context.ContextLoader;
 
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 import static org.springframework.test.context.support.ContextLoaderUtils.*;
 
diff --git a/spring-test/src/test/java/org/springframework/test/jdbc/JdbcTestUtilsTests.java b/spring-test/src/test/java/org/springframework/test/jdbc/JdbcTestUtilsTests.java
index f5da8d01d5..3c32d77332 100644
--- a/spring-test/src/test/java/org/springframework/test/jdbc/JdbcTestUtilsTests.java
+++ b/spring-test/src/test/java/org/springframework/test/jdbc/JdbcTestUtilsTests.java
@@ -24,7 +24,7 @@ import org.mockito.junit.MockitoJUnitRunner;
 import org.springframework.jdbc.core.JdbcTemplate;
 
 import static org.hamcrest.Matchers.*;
-import static org.junit.Assert.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.mockito.BDDMockito.*;
 
 /**
diff --git a/spring-test/src/test/java/org/springframework/test/util/AopTestUtilsTests.java b/spring-test/src/test/java/org/springframework/test/util/AopTestUtilsTests.java
index 93f57a5b32..3ba41971b6 100644
--- a/spring-test/src/test/java/org/springframework/test/util/AopTestUtilsTests.java
+++ b/spring-test/src/test/java/org/springframework/test/util/AopTestUtilsTests.java
@@ -22,6 +22,7 @@ import org.springframework.aop.framework.ProxyFactory;
 import org.springframework.aop.support.AopUtils;
 
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 import static org.springframework.test.util.AopTestUtils.*;
 
diff --git a/spring-test/src/test/java/org/springframework/test/web/reactive/server/samples/ResponseEntityTests.java b/spring-test/src/test/java/org/springframework/test/web/reactive/server/samples/ResponseEntityTests.java
index b534208956..4744f8662e 100644
--- a/spring-test/src/test/java/org/springframework/test/web/reactive/server/samples/ResponseEntityTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/reactive/server/samples/ResponseEntityTests.java
@@ -41,6 +41,7 @@ import org.springframework.web.bind.annotation.RestController;
 
 import static java.time.Duration.*;
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 import static org.springframework.http.MediaType.*;
 
diff --git a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/DelegatingWebConnectionTests.java b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/DelegatingWebConnectionTests.java
index 675f6e57aa..81ce961eb9 100644
--- a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/DelegatingWebConnectionTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/DelegatingWebConnectionTests.java
@@ -41,9 +41,9 @@ import org.springframework.tests.TestGroup;
 
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.CoreMatchers.sameInstance;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.*;
 import static org.hamcrest.core.IsNot.not;
-import static org.junit.Assert.*;
 import static org.mockito.Mockito.*;
 
 /**
diff --git a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/HtmlUnitRequestBuilderTests.java b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/HtmlUnitRequestBuilderTests.java
index 5e03248e62..d8441b9ac1 100644
--- a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/HtmlUnitRequestBuilderTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/HtmlUnitRequestBuilderTests.java
@@ -46,6 +46,7 @@ import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
 import static java.util.Arrays.asList;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.contains;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.isEmptyString;
@@ -53,7 +54,6 @@ import static org.hamcrest.Matchers.not;
 import static org.hamcrest.Matchers.notNullValue;
 import static org.hamcrest.Matchers.nullValue;
 import static org.hamcrest.Matchers.sameInstance;
-import static org.junit.Assert.assertThat;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 
 /**
diff --git a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcConnectionBuilderSupportTests.java b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcConnectionBuilderSupportTests.java
index b9b40cf85e..b20b5231cf 100644
--- a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcConnectionBuilderSupportTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcConnectionBuilderSupportTests.java
@@ -43,8 +43,8 @@ import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.CoreMatchers.nullValue;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.notNullValue;
-import static org.junit.Assert.assertThat;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
diff --git a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcWebClientBuilderTests.java b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcWebClientBuilderTests.java
index e12a20a189..7360375b89 100644
--- a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcWebClientBuilderTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcWebClientBuilderTests.java
@@ -49,7 +49,7 @@ import org.springframework.web.context.WebApplicationContext;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
 import static org.hamcrest.CoreMatchers.*;
-import static org.junit.Assert.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 
 /**
  * Integration tests for {@link MockMvcWebClientBuilder}.
diff --git a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcWebConnectionTests.java b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcWebConnectionTests.java
index 50388375f2..ac2d47a068 100644
--- a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcWebConnectionTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockMvcWebConnectionTests.java
@@ -27,6 +27,7 @@ import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 
 /**
diff --git a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockWebResponseBuilderTests.java b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockWebResponseBuilderTests.java
index 3d6aae851a..63eb056715 100644
--- a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockWebResponseBuilderTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/MockWebResponseBuilderTests.java
@@ -30,7 +30,7 @@ import org.junit.Test;
 import org.springframework.mock.web.MockHttpServletResponse;
 
 import static org.hamcrest.CoreMatchers.*;
-import static org.junit.Assert.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 
 /**
  * Tests for {@link MockWebResponseBuilder}.
diff --git a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/webdriver/MockMvcHtmlUnitDriverBuilderTests.java b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/webdriver/MockMvcHtmlUnitDriverBuilderTests.java
index 9903825222..205e12637b 100644
--- a/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/webdriver/MockMvcHtmlUnitDriverBuilderTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/servlet/htmlunit/webdriver/MockMvcHtmlUnitDriverBuilderTests.java
@@ -41,6 +41,7 @@ import org.springframework.web.context.WebApplicationContext;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 
 /**
diff --git a/spring-test/src/test/java/org/springframework/test/web/servlet/samples/spr/CustomRequestAttributesRequestContextHolderTests.java b/spring-test/src/test/java/org/springframework/test/web/servlet/samples/spr/CustomRequestAttributesRequestContextHolderTests.java
index 0f73302b88..6519ef6ce4 100644
--- a/spring-test/src/test/java/org/springframework/test/web/servlet/samples/spr/CustomRequestAttributesRequestContextHolderTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/servlet/samples/spr/CustomRequestAttributesRequestContextHolderTests.java
@@ -44,7 +44,7 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.CoreMatchers.nullValue;
-import static org.junit.Assert.assertThat;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 import static org.springframework.test.web.servlet.setup.MockMvcBuilders.webAppContextSetup;
diff --git a/spring-test/src/test/java/org/springframework/test/web/servlet/samples/spr/RequestContextHolderTests.java b/spring-test/src/test/java/org/springframework/test/web/servlet/samples/spr/RequestContextHolderTests.java
index 877a0eda21..07cfa4af1f 100644
--- a/spring-test/src/test/java/org/springframework/test/web/servlet/samples/spr/RequestContextHolderTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/servlet/samples/spr/RequestContextHolderTests.java
@@ -52,6 +52,7 @@ import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
diff --git a/spring-tx/src/test/java/org/springframework/transaction/TxNamespaceHandlerEventTests.java b/spring-tx/src/test/java/org/springframework/transaction/TxNamespaceHandlerEventTests.java
index 40dd4d5785..10180b334a 100644
--- a/spring-tx/src/test/java/org/springframework/transaction/TxNamespaceHandlerEventTests.java
+++ b/spring-tx/src/test/java/org/springframework/transaction/TxNamespaceHandlerEventTests.java
@@ -27,7 +27,7 @@ import org.springframework.core.io.ClassPathResource;
 import org.springframework.tests.beans.CollectingReaderEventListener;
 
 import static org.hamcrest.CoreMatchers.*;
-import static org.junit.Assert.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 
 /**
  * @author Torsten Juergeleit
diff --git a/spring-tx/src/test/java/org/springframework/transaction/annotation/EnableTransactionManagementTests.java b/spring-tx/src/test/java/org/springframework/transaction/annotation/EnableTransactionManagementTests.java
index 93311ba359..db0678fdf5 100644
--- a/spring-tx/src/test/java/org/springframework/transaction/annotation/EnableTransactionManagementTests.java
+++ b/spring-tx/src/test/java/org/springframework/transaction/annotation/EnableTransactionManagementTests.java
@@ -39,6 +39,7 @@ import org.springframework.transaction.config.TransactionManagementConfigUtils;
 import org.springframework.transaction.event.TransactionalEventListenerFactory;
 
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 
 /**
diff --git a/spring-tx/src/test/java/org/springframework/transaction/interceptor/RollbackRuleTests.java b/spring-tx/src/test/java/org/springframework/transaction/interceptor/RollbackRuleTests.java
index 6d529d6fca..d117d2a3ea 100644
--- a/spring-tx/src/test/java/org/springframework/transaction/interceptor/RollbackRuleTests.java
+++ b/spring-tx/src/test/java/org/springframework/transaction/interceptor/RollbackRuleTests.java
@@ -23,6 +23,7 @@ import org.junit.Test;
 import org.springframework.beans.FatalBeanException;
 
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.*;
 
 /**