The JoinAssertThatStatements inspection will now add line breaks on joining statements.

Unrelated: Upgraded Gradle to 5.4.1. Upgraded kotlin to 1.3.40. Upgraded jacoco to 0.8.4. Minor style change for immediate returns. Increased test/branch coverage.

src/test/resources/inspections/Java8Optional/Java8OptionalAfter.java

@@ -43,5 +43,10 @@ public class Java8Optional {
         assertThat(opt.get()).isEqualTo("foo").isSameAs("foo").isNotEqualTo("foo").isNotSameAs("foo");
 
         assertThat(opt.orElse("foo")).as("foo").isEqualTo(null);
+
+        assertThat(opt.orElse(null)).as("foo").isEqualTo(null).isNotNull();
+
+        org.junit.Assert.assertThat(foo, null);
+        fail("oh no!");
     }
 }