diff --git a/server/site_tests/cheets_CTS_P/control.9.0_r8.arm.CtsHostside b/server/site_tests/cheets_CTS_P/control.9.0_r8.arm.CtsHostside
index d31668d..c101982 100644
--- a/server/site_tests/cheets_CTS_P/control.9.0_r8.arm.CtsHostside
+++ b/server/site_tests/cheets_CTS_P/control.9.0_r8.arm.CtsHostside
@@ -29,6 +29,7 @@
         target_plan=None,
         bundle='arm',
         uri='gs://chromeos-arc-images/cts/bundle/P/android-cts-9.0_r8-linux_x86-arm.zip',
+        precondition_commands=['sleep 180'],
         timeout=9000)
 
 parallel_simple(run_CTS, machines)
diff --git a/server/site_tests/cheets_CTS_P/control.9.0_r8.x86.CtsHostside b/server/site_tests/cheets_CTS_P/control.9.0_r8.x86.CtsHostside
index dce2618..904ab95 100644
--- a/server/site_tests/cheets_CTS_P/control.9.0_r8.x86.CtsHostside
+++ b/server/site_tests/cheets_CTS_P/control.9.0_r8.x86.CtsHostside
@@ -29,6 +29,7 @@
         target_plan=None,
         bundle='x86',
         uri='gs://chromeos-arc-images/cts/bundle/P/android-cts-9.0_r8-linux_x86-x86.zip',
+        precondition_commands=['sleep 180'],
         timeout=9000)
 
 parallel_simple(run_CTS, machines)
diff --git a/server/site_tests/cheets_CTS_P/control.arm.CtsHostsideNetworkTests b/server/site_tests/cheets_CTS_P/control.arm.CtsHostsideNetworkTests
index 01c8cd1..abb06d0 100644
--- a/server/site_tests/cheets_CTS_P/control.arm.CtsHostsideNetworkTests
+++ b/server/site_tests/cheets_CTS_P/control.arm.CtsHostsideNetworkTests
@@ -30,6 +30,7 @@
         bundle='arm',
         retry_manual_tests=True,
         warn_on_test_retry=False,
+        precondition_commands=['sleep 180'],
         timeout=3600)
 
 parallel_simple(run_CTS, machines)
diff --git a/server/site_tests/cheets_CTS_P/control.x86.CtsHostsideNetworkTests b/server/site_tests/cheets_CTS_P/control.x86.CtsHostsideNetworkTests
index 760fe9b..e554634 100644
--- a/server/site_tests/cheets_CTS_P/control.x86.CtsHostsideNetworkTests
+++ b/server/site_tests/cheets_CTS_P/control.x86.CtsHostsideNetworkTests
@@ -30,6 +30,7 @@
         bundle='x86',
         retry_manual_tests=True,
         warn_on_test_retry=False,
+        precondition_commands=['sleep 180'],
         timeout=3600)
 
 parallel_simple(run_CTS, machines)