Fix default task directories not being created

Author: Jonathing

src/main/groovy/net/minecraftforge/testing/aggregate/AggregateTestImpl.groovy

@@ -12,6 +12,7 @@ import org.gradle.api.DefaultTask
 import org.gradle.api.file.DirectoryProperty
 import org.gradle.api.file.ProjectLayout
 import org.gradle.api.file.RegularFileProperty
+import org.gradle.api.model.ObjectFactory
 import org.gradle.api.tasks.InputDirectory
 import org.gradle.api.tasks.OutputFile
 import org.gradle.api.tasks.TaskAction
@@ -23,11 +24,13 @@ abstract class AggregateTestImpl extends DefaultTask implements AggregateTestInt
     @Override abstract @InputDirectory DirectoryProperty getInput();
     @Override abstract @OutputFile RegularFileProperty getOutput();
 
+    private final AggregateTestProblems problems = objects.newInstance(AggregateTestProblems)
+    protected abstract @Inject ObjectFactory getObjects();
     protected abstract @Inject ProjectLayout getLayout();
 
     @Inject
     AggregateTestImpl() {
-        this.input.convention(this.layout.buildDirectory.dir(TEST_RESULTS_DIRECTORY))
+        this.input.convention(this.layout.buildDirectory.dir(TEST_RESULTS_DIRECTORY).map(problems.ensureFileLocation()))
         this.output.convention(this.layout.projectDirectory.file('aggregate-test-results.html'))
     }