Fix IAST tests

Author: nikita-tkachenko-datadog

dd-java-agent/agent-iast/iast-testing/build.gradle

@@ -2,8 +2,7 @@ apply from: "$rootDir/gradle/java.gradle"
 apply from: "$rootDir/gradle/version.gradle"
 
 dependencies {
-  implementation project(':dd-java-agent:agent-iast')
-
+  api project(':dd-java-agent:agent-iast')
   api project(':dd-java-agent:instrumentation-testing')
   api project(':utils:test-utils')
 }

dd-java-agent/agent-iast/iast-testing/src/main/groovy/com/datadog/iast/test/IastSourcesTest.groovy

@@ -1,7 +1,6 @@
 package com.datadog.iast.test
 
 import datadog.trace.api.iast.SourceTypes
-import okhttp3.FormBody
 import okhttp3.MediaType
 import okhttp3.Request
 import okhttp3.RequestBody
@@ -14,7 +13,7 @@ abstract class IastSourcesTest<SERVER> extends IastHttpServerTest<SERVER> {
   void 'test header source'() {
     when:
     final url = "${address}/iast/sources/header"
-    final request = new Builder().url(url).header('name', 'value').get().build()
+    final request = new Request.Builder().url(url).header('name', 'value').get().build()
     final response = client.newCall(request).execute()
 
     then:
@@ -34,7 +33,7 @@ abstract class IastSourcesTest<SERVER> extends IastHttpServerTest<SERVER> {
   void 'test cookie source'() {
     when:
     final url = "${address}/iast/sources/cookie"
-    final request = new Builder().url(url).header('Cookie', 'name=value').get().build()
+    final request = new Request.Builder().url(url).header('Cookie', 'name=value').get().build()
     final response = client.newCall(request).execute()
 
     then:
@@ -54,7 +53,7 @@ abstract class IastSourcesTest<SERVER> extends IastHttpServerTest<SERVER> {
   void 'test path source'() {
     when:
     final url = "${address}/iast/sources/path/value"
-    final request = new Builder().url(url).get().build()
+    final request = new Request.Builder().url(url).get().build()
     final response = client.newCall(request).execute()
 
     then:
@@ -74,7 +73,7 @@ abstract class IastSourcesTest<SERVER> extends IastHttpServerTest<SERVER> {
   void 'test parameter source'() {
     when:
     final url = "${address}/iast/sources/parameter?name=value"
-    final request = new Builder().url(url).get().build()
+    final request = new Request.Builder().url(url).get().build()
     final response = client.newCall(request).execute()
 
     then:
@@ -94,8 +93,8 @@ abstract class IastSourcesTest<SERVER> extends IastHttpServerTest<SERVER> {
   void 'test form source'() {
     when:
     final url = "${address}/iast/sources/form"
-    final body = new Builder().add('name', 'value').build()
-    final request = new Builder().url(url).post(body).build()
+    final body = new Request.Builder().add('name', 'value').build()
+    final request = new Request.Builder().url(url).post(body).build()
     final response = client.newCall(request).execute()
 
     then:
@@ -116,7 +115,7 @@ abstract class IastSourcesTest<SERVER> extends IastHttpServerTest<SERVER> {
     when:
     final url = "${address}/iast/sources/body/string"
     final body = RequestBody.create(MediaType.get('text/plain'), 'string_body')
-    final request = new Builder().url(url).post(body).build()
+    final request = new Request.Builder().url(url).post(body).build()
     final response = client.newCall(request).execute()
 
     then:
@@ -137,7 +136,7 @@ abstract class IastSourcesTest<SERVER> extends IastHttpServerTest<SERVER> {
     when:
     final url = "${address}/iast/sources/body/json"
     final body = RequestBody.create(MediaType.get('application/json'), '{ "name": "value" }')
-    final request = new Builder().url(url).post(body).build()
+    final request = new Request.Builder().url(url).post(body).build()
     final response = client.newCall(request).execute()
 
     then: