Fixing gzip test

Author: S-Saranya1

core/sdk-core/src/main/java/software/amazon/awssdk/core/useragent/BusinessMetricFeatureId.java

@@ -34,7 +34,7 @@ public enum BusinessMetricFeatureId {
     RETRY_MODE_STANDARD("E"),
     RETRY_MODE_ADAPTIVE("F"),
     S3_TRANSFER("G"),
-    GZIP_REQUEST_COMPRESSION("L"), //TODO(metrics): Not working, compression happens after header
+    GZIP_REQUEST_COMPRESSION("L"),
     PROTOCOL_RPC_V2_CBOR("M"),
     ENDPOINT_OVERRIDE("N"),
     ACCOUNT_ID_MODE_PREFERRED("P"),

test/codegen-generated-classes-test/src/test/java/software/amazon/awssdk/services/BusinessMetricsUserAgentTest.java

@@ -162,7 +162,7 @@ void when_paginatedOperationIsCalled_correctMetricIsAdded() throws Exception {
     }
 
     @Test
-    void when_compressedOperationIsCalled_metricIsRecordedButNotAddedToUserAgentString() throws Exception {
+    void when_compressedOperationIsCalled_metricIsRecordedAndAddedToUserAgentString() throws Exception {
         ProtocolRestJsonAsyncClientBuilder clientBuilder = asyncClientBuilderForProtocolRestJson();
 
         assertThatThrownBy(() -> clientBuilder.build().putOperationWithRequestCompression(r -> r.body(SdkBytes.fromUtf8String(
@@ -173,7 +173,7 @@ void when_compressedOperationIsCalled_metricIsRecordedButNotAddedToUserAgentStri
         BusinessMetricCollection attribute = interceptor.executionAttributes().getAttribute(SdkInternalExecutionAttribute.BUSINESS_METRICS);
         assertThat(attribute).isNotNull();
         assertThat(attribute.recordedMetrics()).contains(BusinessMetricFeatureId.GZIP_REQUEST_COMPRESSION.value());
-        assertThat(userAgent).doesNotMatch(METRIC_SEARCH_PATTERN.apply(BusinessMetricFeatureId.GZIP_REQUEST_COMPRESSION.value()));
+        assertThat(userAgent).matches(METRIC_SEARCH_PATTERN.apply(BusinessMetricFeatureId.GZIP_REQUEST_COMPRESSION.value()));
     }
 
     private String assertAndGetUserAgentString() {