Resetting wiremock manually (#3753)

Author: zoewangg

core/imds/src/test/java/software/amazon/awssdk/imds/internal/CachedTokenClientTest.java

@@ -34,6 +34,7 @@
 import com.github.tomakehurst.wiremock.junit5.WireMockTest;
 import java.net.URI;
 import java.time.Duration;
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import software.amazon.awssdk.core.exception.SdkClientException;
@@ -51,6 +52,11 @@ void init(WireMockRuntimeInfo wmRuntimeInfo) {
                                               .endpoint(URI.create("http://localhost:" + wmRuntimeInfo.getHttpPort()));
     }
 
+    @AfterEach
+    void tearDown(WireMockRuntimeInfo wmRuntimeInfo) {
+        wmRuntimeInfo.getWireMock().resetMappings();
+    }
+
     @Test
     void get_tokenFailsError4xx_shouldNotRetry() {
         stubFor(put(urlPathEqualTo("/latest/api/token")).willReturn(aResponse().withStatus(400).withBody("ERROR 400")));