diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestMasterObserver.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestMasterObserver.java
index 094555eb100..2e998dd949d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestMasterObserver.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestMasterObserver.java
@@ -1179,7 +1179,7 @@ public class TestMasterObserver {
     UTIL.shutdownMiniCluster();
   }
 
-  @Test
+  @Test (timeout=180000)
   public void testStarted() throws Exception {
     MiniHBaseCluster cluster = UTIL.getHBaseCluster();
 
@@ -1199,7 +1199,7 @@ public class TestMasterObserver {
         cp.wasStartMasterCalled());
   }
 
-  @Test
+  @Test (timeout=180000)
   public void testTableOperations() throws Exception {
     MiniHBaseCluster cluster = UTIL.getHBaseCluster();
 
@@ -1365,7 +1365,7 @@ public class TestMasterObserver {
         cp.wasDeleteTableHandlerCalled());
   }
 
-  @Test
+  @Test (timeout=180000)
   public void testSnapshotOperations() throws Exception {
     MiniHBaseCluster cluster = UTIL.getHBaseCluster();
     HMaster master = cluster.getMaster();
@@ -1426,7 +1426,7 @@ public class TestMasterObserver {
     }
   }
 
-  @Test
+  @Test (timeout=180000)
   public void testNamespaceOperations() throws Exception {
     MiniHBaseCluster cluster = UTIL.getHBaseCluster();
     String testNamespace = "observed_ns";
@@ -1513,7 +1513,7 @@ public class TestMasterObserver {
     }
   }
 
-  @Test
+  @Test (timeout=180000)
   public void testRegionTransitionOperations() throws Exception {
     MiniHBaseCluster cluster = UTIL.getHBaseCluster();
 
@@ -1615,7 +1615,7 @@ public class TestMasterObserver {
     }
   }
 
-  @Test
+  @Test (timeout=180000)
   public void testTableDescriptorsEnumeration() throws Exception {
     MiniHBaseCluster cluster = UTIL.getHBaseCluster();
 
@@ -1633,7 +1633,7 @@ public class TestMasterObserver {
       cp.wasGetTableDescriptorsCalled());
   }
 
-  @Test
+  @Test (timeout=180000)
   public void testTableNamesEnumeration() throws Exception {
     MiniHBaseCluster cluster = UTIL.getHBaseCluster();