Check the result of atomix-install script

Change-Id: I159cafd682d5ef29da9ebe8a8050562169f59175
diff --git a/TestON/drivers/common/cli/onosdriver.py b/TestON/drivers/common/cli/onosdriver.py
index 2593b6e..80c682d 100755
--- a/TestON/drivers/common/cli/onosdriver.py
+++ b/TestON/drivers/common/cli/onosdriver.py
@@ -2822,10 +2822,26 @@
                 main.log.info( self.name + ": Atomix is already installed on " + node )
                 self.handle.expect( self.prompt )
                 return main.TRUE
-            elif i == 2 or i == 3:
+            elif i == 2:
                 main.log.info( self.name + ": Atomix was installed on " + node )
                 self.handle.expect( self.prompt )
                 return main.TRUE
+            elif i == 3:
+                self.handle.sendline( "echo Return code: $?" )
+                self.handle.expect( "\$\?" )
+                self.handle.expect( self.prompt )
+                main.log.debug( self.handle.before + self.handle.before )
+                match = re.search( "Return code: (\d+)", self.handle.before )
+                if match:
+                    exitCode = int( match.group( 1 ) )
+                else:
+                    # Didn't match pattern
+                    main.log.error( "Could not parse exit code of atomix-install" )
+                    return main.FALSE
+                if exitCode == 0:
+                    return main.TRUE
+                else:
+                    return main.FALSE
             elif i == 4:
                 # timeout
                 main.log.info( self.name + ": Installation of Atomix on " + node + " timed out" )
diff --git a/TestON/tests/dependencies/ONOSSetup.py b/TestON/tests/dependencies/ONOSSetup.py
index 547222b..a601569 100644
--- a/TestON/tests/dependencies/ONOSSetup.py
+++ b/TestON/tests/dependencies/ONOSSetup.py
@@ -325,7 +325,7 @@
         main.step( "Installing Atomix" )
         atomixInstallResult = main.TRUE
 
-        cluster.installAtomix( parallel )
+        atomixInstallResult = cluster.installAtomix( parallel )
         utilities.assert_equals( expect=main.TRUE,
                                  actual=atomixInstallResult,
                                  onpass="Successfully installed Atomix",