Reproduce JMH plugin issue

.github/workflows/run-reproducer.yml

@@ -14,4 +14,4 @@ jobs:
         java-version: 11
     - uses: gradle/gradle-build-action@v2
       with:
-        arguments: help --info
+        arguments: eclipseClasspath --info

build.gradle

@@ -0,0 +1,34 @@
+plugins {
+    // Applying this plugin casuses build to fail
+    // comment out line for a successful build
+    id 'me.champeau.jmh' version '0.6.6'
+}
+
+defaultTasks 'eclipseClasspath'
+
+allprojects {
+    apply plugin: 'java-library'
+    apply plugin: 'eclipse'
+}
+
+dependencies {
+    // ALSO: change this to testImplementation, testRuntimeOnly, or compileOnly for successful build
+    testCompileOnly project(':subproject')
+}
+
+def dependencyFound = new boolean[1];
+
+eclipse.classpath.file.whenMerged { classpath ->
+    classpath.entries.each { entry ->
+        if (entry instanceof org.gradle.plugins.ide.eclipse.model.ProjectDependency) {
+            println "Found dependency: $entry"
+            dependencyFound[0] = true
+        }
+    }
+}
+
+gradle.buildFinished {
+    if (!dependencyFound[0]) {
+        throw new GradleException("The project dependency should have been included in eclipse classpath!");
+    }
+}

settings.gradle

@@ -1 +1,9 @@
 rootProject.name = 'reproducer-project'
+
+dependencyResolutionManagement {
+    repositories {
+        mavenCentral()
+    }
+}
+
+include 'subproject'

subproject/.classpath

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry output="bin/main" kind="src" path="src/main/java">
+		<attributes>
+			<attribute name="gradle_scope" value="main"/>
+			<attribute name="gradle_used_by_scope" value="main,test"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="bin/default"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17/"/>
+</classpath>

subproject/src/main/java/pkg/Test.java

@@ -0,0 +1,8 @@
+package pkg;
+
+public class Test {
+
+    public static String line() {
+        return "hello";
+    }
+}