Improve execution speed of CacheAutoConfigurationTests

As of Hazelcast 3.7, the bootstrap is pretty slow by default due to the
networking discovery. This commit disables both TCP/IP and multicast
discoveries.

spring-boot-actuator/src/test/resources/cache/test-hazelcast.xml

@@ -5,4 +5,11 @@
 	<map name="books"/>
 	<map name="players"/>
 
+	<network>
+		<join>
+			<tcp-ip enabled="false"/>
+			<multicast enabled="false"/>
+		</join>
+	</network>
+
 </hazelcast>

spring-boot-actuator/src/test/resources/hazelcast.xml

@@ -5,4 +5,11 @@
 
 	<map name="defaultCache" />
 
+	<network>
+		<join>
+			<tcp-ip enabled="false"/>
+			<multicast enabled="false"/>
+		</join>
+	</network>
+
 </hazelcast>

spring-boot-autoconfigure/src/test/resources/hazelcast.xml

@@ -5,4 +5,11 @@
 
 	<map name="defaultCache" />
 
+	<network>
+		<join>
+			<tcp-ip enabled="false"/>
+			<multicast enabled="false"/>
+		</join>
+	</network>
+
 </hazelcast>

spring-boot-autoconfigure/src/test/resources/org/springframework/boot/autoconfigure/cache/hazelcast-specific.xml

@@ -7,4 +7,11 @@
 		<max-idle-seconds>600</max-idle-seconds>
 	</map>
 
+	<network>
+		<join>
+			<tcp-ip enabled="false"/>
+			<multicast enabled="false"/>
+		</join>
+	</network>
+
 </hazelcast>

spring-boot-autoconfigure/src/test/resources/org/springframework/boot/autoconfigure/hazelcast/hazelcast-specific.xml

@@ -4,4 +4,11 @@
 
 	<queue name="foobar"/>
 
+	<network>
+		<join>
+			<tcp-ip enabled="false"/>
+			<multicast enabled="false"/>
+		</join>
+	</network>
+
 </hazelcast>

spring-boot-samples/spring-boot-sample-cache/src/main/resources/hazelcast.xml

@@ -14,4 +14,11 @@
 		<management-enabled>true</management-enabled>
 	</cache>
 
+	<network>
+		<join>
+			<tcp-ip enabled="false"/>
+			<multicast enabled="false"/>
+		</join>
+	</network>
+
 </hazelcast>