diff --git a/refaster-support/src/test/java/tech/picnic/errorprone/refaster/matchers/RequiresComputationTest.java b/refaster-support/src/test/java/tech/picnic/errorprone/refaster/matchers/RequiresComputationTest.java
index 9491f7e9fe..ef212bdc9c 100644
--- a/refaster-support/src/test/java/tech/picnic/errorprone/refaster/matchers/RequiresComputationTest.java
+++ b/refaster-support/src/test/java/tech/picnic/errorprone/refaster/matchers/RequiresComputationTest.java
@@ -15,6 +15,7 @@ void matches() {
         .addSourceLines(
             "A.java",
             "import java.io.OutputStream;",
+            "import java.util.Comparator;",
             "import java.util.function.Predicate;",
             "",
             "class A {",
@@ -64,7 +65,8 @@ void matches() {
             "  }",
             "",
             "  boolean negative12() {",
-            "    return !false;",
+            "    boolean[] arr = new boolean[0];",
+            "    return !arr[0];",
             "  }",
             "",
             "  String negative13() {",
@@ -112,17 +114,22 @@ void matches() {
             "    return toString()::equals;",
             "  }",
             "",
-            "  String positive9() {",
+            "  Comparator<String> positive9() {",
+            "    // BUG: Diagnostic contains:",
+            "    return toString().CASE_INSENSITIVE_ORDER;",
+            "  }",
+            "",
+            "  String positive10() {",
             "    // BUG: Diagnostic contains:",
             "    return (toString());",
             "  }",
             "",
-            "  Object positive10() {",
+            "  Object positive11() {",
             "    // BUG: Diagnostic contains:",
             "    return (Object) toString();",
             "  }",
             "",
-            "  int positive11() {",
+            "  int positive12() {",
             "    // BUG: Diagnostic contains:",
             "    return -hashCode();",
             "  }",