Enable parallel test execution

Change-Id: I7b6df2026967951572f28c19827284c5f50b7e14
diff --git a/app/build.gradle b/app/build.gradle
index ac3cd4f..cb2c43e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -16,6 +16,9 @@
     minHeapSize = "512m"
     maxHeapSize = "4096m"
     jvmArgs '-XX:MaxMetaspaceSize=1024m'
+    
+    // Enable parallel test execution for faster builds
+    maxParallelForks = Runtime.runtime.availableProcessors().intdiv(2) ?: 1
 }
 
 dependencies {