SourceFolder folder = createSourceFolder(testSourceSets, provideRelativePath, sourceSetOutputPaths, sourceSetUsages, sourceSet, tree, dir);
                    entries.add(folder);
                }
            }
        }
        return entries.build();
    }

        }

        @Override
        public void execute(Project project) {
            DependencyHandler dependencies = project.getDependencies();
            Set<SourceSet> testSourceSets = extension.getTestSourceSets();
            project.getNormalization().getRuntimeClasspath().ignore(PluginUnderTestMetadata.METADATA_FILE_NAME);

            project.getTasks().withType(Test.class).configureEach(test -> {

                compileOnly 'com.google.guava:guava:21.0'
                testImplementation 'junit:junit:4.13'
            }

            eclipse {
                classpath {
                    testSourceSets = [sourceSets.main]
                    testConfigurations = [configurations.compileClasspath, configurations.runtimeClasspath]
                }
            }
        """
        file('src/main/java').mkdirs()

                // Override native libs dir for the test executor
                systemProperty("$NATIVE_DIR_OVERRIDE", "${nativeDirOverride}")
            }

            gradlePlugin.testSourceSets.add(sourceSets["functionalTest"])
        """)
        file("src/functionalTest/groovy/TestkitTestPluginFunctionalTest.groovy") << """
            import spock.lang.Specification
            import spock.lang.TempDir

You can now customize test source sets and dependencies via the `eclipse` plugin DSL:

```
eclipse {
    classpath {
        testSourceSets = [sourcesSets.test, sourceSets.myTestSourceSet]
        testConfigurations = [configuration.myTestConfiguration]
    }
}
```