Add testStableSemconv coverage for Spring Data test suites (#15937)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: trask <218610+trask@users.noreply.github.com>

Author: Copilot

instrumentation/spring/spring-data/spring-data-3.0/testing/build.gradle.kts

@@ -50,13 +50,16 @@ tasks {
     jvmArgs("-Dotel.instrumentation.common.experimental.controller-telemetry.enabled=true")
   }
 
-  val testStableSemconv by registering(Test::class) {
-    testClassesDirs = sourceSets.test.get().output.classesDirs
-    classpath = sourceSets.test.get().runtimeClasspath
-    jvmArgs("-Dotel.semconv-stability.opt-in=database")
+  val stableSemconvSuites = testing.suites.withType(JvmTestSuite::class).map { suite ->
+    register<Test>("${suite.name}StableSemconv") {
+      testClassesDirs = suite.sources.output.classesDirs
+      classpath = suite.sources.runtimeClasspath
+
+      jvmArgs("-Dotel.semconv-stability.opt-in=database")
+    }
   }
 
   check {
-    dependsOn(testing.suites, testStableSemconv)
+    dependsOn(testing.suites, stableSemconvSuites)
   }
 }