all: fix lint warnings

diff --git a/interop-testing/src/main/java/io/grpc/testing/integration/AbstractInteropTest.java b/interop-testing/src/main/java/io/grpc/testing/integration/AbstractInteropTest.java
index 4483f88..38b711d 100644
--- a/interop-testing/src/main/java/io/grpc/testing/integration/AbstractInteropTest.java
+++ b/interop-testing/src/main/java/io/grpc/testing/integration/AbstractInteropTest.java
@@ -1868,7 +1868,7 @@
       assertNotNull(serverEndRecord);
       checkStartTags(serverStartRecord, method);
       checkEndTags(serverEndRecord, method, code);
-      if (server != null && requests != null && responses != null) {
+      if (requests != null && responses != null) {
         checkCensus(serverEndRecord, true, requests, responses);
       }
     }
diff --git a/services/src/test/java/io/grpc/services/BinlogHelperTest.java b/services/src/test/java/io/grpc/services/BinlogHelperTest.java
index cd736a9..d7b0d0c 100644
--- a/services/src/test/java/io/grpc/services/BinlogHelperTest.java
+++ b/services/src/test/java/io/grpc/services/BinlogHelperTest.java
@@ -549,7 +549,7 @@
   public void logSendInitialMetadata_server() throws Exception {
     sinkWriterImpl.logSendInitialMetadata(
         /*seq=*/ 1,
-        /*methodNmae=*/ null,
+        /*methodName=*/ null,
         /*timeout=*/ null,
         nonEmptyMetadata,
         IS_SERVER,
@@ -649,7 +649,7 @@
     InetSocketAddress socketAddress = new InetSocketAddress(address, port);
     sinkWriterImpl.logRecvInitialMetadata(
         /*seq=*/ 1,
-        /*methodNmae=*/ null,
+        /*methodName=*/ null,
         /*timeout=*/ null,
         nonEmptyMetadata,
         IS_CLIENT,