HADOOP-19617. Fix CheckStyle.

Author: slfan1989

hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/TestNfsExports.java

@@ -208,17 +208,17 @@ public void testMultiMatchers() throws Exception {
 
   @Test
   public void testInvalidHost() {
-      Assertions.assertThrows(IllegalArgumentException.class, () -> {
-          NfsExports matcher = new NfsExports(CacheSize, ExpirationPeriod,
-        "foo#bar");
-      });
+    Assertions.assertThrows(IllegalArgumentException.class, () -> {
+      NfsExports matcher = new NfsExports(CacheSize, ExpirationPeriod,
+      "foo#bar");
+    });
   }
 
   @Test
   public void testInvalidSeparator() {
-      Assertions.assertThrows(IllegalArgumentException.class, () -> {
-          NfsExports matcher = new NfsExports(CacheSize, ExpirationPeriod,
-        "foo ro : bar rw");
-      });
+    Assertions.assertThrows(IllegalArgumentException.class, () -> {
+      NfsExports matcher = new NfsExports(CacheSize, ExpirationPeriod,
+      "foo ro : bar rw");
+    });
   }
 }