Add reset() to MockRestServiceServer

Issue: SPR-14306

spring-test/src/main/java/org/springframework/test/web/client/AbstractRequestExpectationManager.java

@@ -133,6 +133,12 @@ public abstract class AbstractRequestExpectationManager implements RequestExpect
 		return new AssertionError(message + getRequestDetails());
 	}
 
+	@Override
+	public void reset() {
+		this.expectations.clear();
+		this.requests.clear();
+	}
+
 
 	/**
 	 * Helper class to manage a group of request expectations. It helps with
@@ -175,6 +181,10 @@ public abstract class AbstractRequestExpectationManager implements RequestExpect
 			}
 			return null;
 		}
+
+		public void reset() {
+			this.expectations.clear();
+		}
 	}
 
 }

spring-test/src/main/java/org/springframework/test/web/client/MockRestServiceServer.java

@@ -121,6 +121,13 @@ public class MockRestServiceServer {
 		this.expectationManager.verify();
 	}
 
+	/**
+	 * Reset the internal state removing all expectations and recorded requests.
+	 */
+	public void reset() {
+		this.expectationManager.reset();
+	}
+
 
 	/**
 	 * Return a builder for a {@code MockRestServiceServer} that should be used

spring-test/src/main/java/org/springframework/test/web/client/RequestExpectationManager.java

@@ -54,4 +54,9 @@ public interface RequestExpectationManager {
 	 */
 	void verify();
 
+	/**
+	 * Reset the internal state removing all expectations and recorded requests.
+	 */
+	void reset();
+
 }

spring-test/src/main/java/org/springframework/test/web/client/SimpleRequestExpectationManager.java

@@ -71,4 +71,10 @@ public class SimpleRequestExpectationManager extends AbstractRequestExpectationM
 		throw createUnexpectedRequestError(request);
 	}
 
+	@Override
+	public void reset() {
+		super.reset();
+		this.expectationIterator = null;
+		this.repeatExpectations.reset();
+	}
 }

spring-test/src/main/java/org/springframework/test/web/client/UnorderedRequestExpectationManager.java

@@ -48,4 +48,10 @@ public class UnorderedRequestExpectationManager extends AbstractRequestExpectati
 		throw createUnexpectedRequestError(request);
 	}
 
+	@Override
+	public void reset() {
+		super.reset();
+		this.remainingExpectations.reset();
+	}
+
 }