Merge branch 'fix-time-conversion-precision' of https://github.com/go…

…ogleapis/sdk-platform-java into fix-time-conversion-precision

gax-java/gax/src/test/java/com/google/api/gax/util/TimeConversionUtilsTest.java

@@ -39,7 +39,8 @@ public class TimeConversionUtilsTest {
 
   // 0.999999999 seconds (1 second - 1 nano) - we need to subtract the nano or the Duration would
   // overflow otherwise
-  final long MAX_DURATION_NANOS = 1 * 1000 * 1000 * 1000 - 1;
+  final long MAX_DURATION_NANOS =
+      1 * 1000 /*=1 micro*/ * 1000 /*=1 milli*/ * 1000 /*=1 second*/ - 1;
 
   // Arbitrary durations/instants to confirm conversion works as expected
   final org.threeten.bp.Duration ttDuration = org.threeten.bp.Duration.ofMillis(123);
@@ -96,8 +97,7 @@ void testToJavaTimeInstant_bigInput_doesNotOverflow() {
   @Test
   void testToThreeteenDuration_bigInput_doesNotOverflow() {
     // we use the max long value for the seconds part and an arbitrary int for the nanos part, so we
-    // can confirm
-    // that both components are preserved
+    // can confirm that both components are preserved
     java.time.Duration jtDuration =
         java.time.Duration.ofSeconds(Long.MAX_VALUE, MAX_DURATION_NANOS);
     org.threeten.bp.Duration ttDuration = TimeConversionUtils.toThreetenDuration(jtDuration);
@@ -108,8 +108,7 @@ void testToThreeteenDuration_bigInput_doesNotOverflow() {
   @Test
   void testToJavaTimeDuration_bigInput_doesNotOverflow() {
     // we use the max long value for the seconds part and an arbitrary int for the nanos part, so we
-    // can confirm
-    // that both components are preserved
+    // can confirm that both components are preserved
     org.threeten.bp.Duration ttDuration =
         org.threeten.bp.Duration.ofSeconds(Long.MAX_VALUE, MAX_DURATION_NANOS);
     java.time.Duration jtDuration = TimeConversionUtils.toJavaTimeDuration(ttDuration);