Fixed nested folders

Author: AlexeyKuznetsov-DD

dd-smoke-tests/spring-boot-2.7-webflux/build.gradle

@@ -14,7 +14,7 @@ def gradlewCommand = isWindows ? 'gradlew.bat' : 'gradlew'
 // define the task that builds the quarkus project
 tasks.register('webfluxBuild', Exec) {
   workingDir "$appDir"
-  environment.JAVA_HOME = System.getenv("JAVA_21_HOME")
+  environment.JAVA_HOME = System.getenv("JAVA_8_HOME")
   environment += ["GRADLE_OPTS": "-Dorg.gradle.jvmargs='-Xmx512M'"]
   commandLine "$rootDir/${gradlewCommand}", "bootJar", "--no-daemon", "--max-workers=4", "-PappBuildDir=$appBuildDir", "-PapiJar=${project(':dd-trace-api').tasks.jar.archiveFile.get()}"