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/GuavaOptional/GuavaOptionalBefore.java

@@ -56,5 +56,10 @@ public class GuavaOptional {
 
         assertThat(opt.isPresent()).as("foo").isEqualTo(true).as("bar").isEqualTo(Boolean.TRUE);
         assertThat(opt.isPresent()).as("foo").isEqualTo(true).as("bar").isEqualTo(Boolean.FALSE);
+
+        assertThat(opt.orNull()).as("foo").isEqualTo(null).isNotNull();
+
+        org.junit.Assert.assertThat(foo, null);
+        fail("oh no!");
     }
 }