Fix the small behavior change in the latest google-java-format.

Author: nedtwigg

testlib/src/main/resources/java/googlejavaformat/JavaCodeFormatted18.test

@@ -0,0 +1,10 @@
+import mylib.UsedA;
+import mylib.UsedB;
+
+public class Java {
+  public static void main(String[] args) {
+    System.out.println("hello");
+    UsedB.someMethod();
+    UsedA.someMethod();
+  }
+}

testlib/src/test/java/com/diffplug/spotless/java/GoogleJavaFormatStepTest.java

@@ -35,7 +35,7 @@ public void behavior18() throws Exception {
 		}
 		FormatterStep step = GoogleJavaFormatStep.create("1.8", TestProvisioner.mavenCentral());
 		StepHarness.forStep(step)
-				.testResource("java/googlejavaformat/JavaCodeUnformatted.test", "java/googlejavaformat/JavaCodeFormatted.test")
+				.testResource("java/googlejavaformat/JavaCodeUnformatted.test", "java/googlejavaformat/JavaCodeFormatted18.test")
 				.testResource("java/googlejavaformat/JavaCodeWithLicenseUnformatted.test", "java/googlejavaformat/JavaCodeWithLicenseFormatted.test")
 				.testResource("java/googlejavaformat/JavaCodeWithLicensePackageUnformatted.test", "java/googlejavaformat/JavaCodeWithLicensePackageFormatted.test")
 				.testResource("java/googlejavaformat/JavaCodeWithPackageUnformatted.test", "java/googlejavaformat/JavaCodeWithPackageFormatted.test");