refactor: move JMeterSpec to :src:components as :src:core no longer has Groovy
diff --git a/src/components/build.gradle.kts b/src/components/build.gradle.kts
index 05a51f2..7595fb9 100644
--- a/src/components/build.gradle.kts
+++ b/src/components/build.gradle.kts
@@ -16,6 +16,7 @@
  */
 
 plugins {
+    id("java-test-fixtures")
     id("build-logic.build-params")
     id("build-logic.jvm-published-library")
 }
@@ -87,6 +88,9 @@
     testRuntimeOnly("org.bouncycastle:bcprov-jdk15on")
     testImplementation("nl.jqno.equalsverifier:equalsverifier")
     testImplementation(testFixtures(projects.src.testkitWiremock))
+    testFixturesImplementation(testFixtures(projects.src.core))
+    testFixturesImplementation("junit:junit")
+    testFixturesImplementation("org.spockframework:spock-core")
 }
 
 if (!buildParameters.enableJavaFx) {
diff --git a/src/core/src/testFixtures/groovy/org/apache/jmeter/junit/spock/JMeterSpec.groovy b/src/components/src/testFixtures/groovy/org/apache/jmeter/junit/spock/JMeterSpec.groovy
similarity index 100%
rename from src/core/src/testFixtures/groovy/org/apache/jmeter/junit/spock/JMeterSpec.groovy
rename to src/components/src/testFixtures/groovy/org/apache/jmeter/junit/spock/JMeterSpec.groovy
diff --git a/src/core/build.gradle.kts b/src/core/build.gradle.kts
index b5e0d3d..c7a0172 100644
--- a/src/core/build.gradle.kts
+++ b/src/core/build.gradle.kts
@@ -121,11 +121,9 @@
 
     testImplementation("commons-net:commons-net")
     testImplementation("io.mockk:mockk")
-    testRuntimeOnly("org.spockframework:spock-core")
 
     testFixturesApi(testFixtures(projects.src.jorphan))
     testFixturesImplementation("junit:junit")
-    testFixturesImplementation("org.spockframework:spock-core")
     testFixturesImplementation(projects.src.testkit)
     testFixturesImplementation("org.junit.jupiter:junit-jupiter")
 }
diff --git a/src/dist-check/build.gradle.kts b/src/dist-check/build.gradle.kts
index 5486acd..3ea9dd2 100644
--- a/src/dist-check/build.gradle.kts
+++ b/src/dist-check/build.gradle.kts
@@ -34,6 +34,7 @@
     api(projects.src.dist)
 
     testImplementation(testFixtures(projects.src.core))
+    testImplementation(testFixtures(projects.src.components))
     testImplementation("org.apache.commons:commons-lang3") {
         because("StringUtils")
     }