diff --git a/build.gradle b/build.gradle
index e45be79e3..33ba31e14 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,3 +10,12 @@ buildscript {
         classpath 'com.android.tools.build:gradle:1.0.0'
     }
 }
+allprojects {
+    tasks.withType(Test).configureEach {
+        maxParallelForks = Runtime.runtime.availableProcessors().intdiv(2) ?: 1
+        if (!project.hasProperty("createReports")) {
+            reports.html.required = false
+            reports.junitXml.required = false
+        }
+    }
+}