diff --git a/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/ErrorProneTestHelperSourceFormat.java b/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/ErrorProneTestHelperSourceFormat.java
index c08dd190c52..bfc0663aca0 100644
--- a/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/ErrorProneTestHelperSourceFormat.java
+++ b/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/ErrorProneTestHelperSourceFormat.java
@@ -248,7 +248,7 @@ private static Optional<String> getConstantSourceCode(
     StringBuilder source = new StringBuilder();
 
     for (ExpressionTree sourceLine : sourceLines) {
-      if (!source.isEmpty()) {
+      if (source.length() > 0) {
         source.append('\n');
       }
 
diff --git a/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/util/SourceCode.java b/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/util/SourceCode.java
index c14b5b14097..f0dac86b80d 100644
--- a/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/util/SourceCode.java
+++ b/error-prone-contrib/src/main/java/tech/picnic/errorprone/bugpatterns/util/SourceCode.java
@@ -25,7 +25,9 @@ private SourceCode() {}
    */
   // XXX: Add tests!
   public static boolean isTextBlockSupported(VisitorState state) {
-    return Target.instance(state.context).compareTo(Target.JDK1_15) >= 0;
+    // XXX: String comparison is for JDK 11 compatibility. Is there a better way?
+    return Target.instance(state.context).toString().compareTo("JDK1_15") >= 0;
+    // return Target.instance(state.context).compareTo(Target.JDK1_15) >= 0;
   }
 
   /**
diff --git a/error-prone-contrib/src/test/java/tech/picnic/errorprone/bugpatterns/ErrorProneTestHelperSourceFormatTest.java b/error-prone-contrib/src/test/java/tech/picnic/errorprone/bugpatterns/ErrorProneTestHelperSourceFormatTest.java
index 10865a061d6..ae7c61d6356 100644
--- a/error-prone-contrib/src/test/java/tech/picnic/errorprone/bugpatterns/ErrorProneTestHelperSourceFormatTest.java
+++ b/error-prone-contrib/src/test/java/tech/picnic/errorprone/bugpatterns/ErrorProneTestHelperSourceFormatTest.java
@@ -4,6 +4,8 @@
 import com.google.errorprone.BugCheckerRefactoringTestHelper.TestMode;
 import com.google.errorprone.CompilationTestHelper;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.DisabledForJreRange;
+import org.junit.jupiter.api.condition.JRE;
 
 final class ErrorProneTestHelperSourceFormatTest {
   private final CompilationTestHelper compilationTestHelper =
@@ -19,6 +21,10 @@ final class ErrorProneTestHelperSourceFormatTest {
               ErrorProneTestHelperSourceFormat.class, getClass())
           .setArgs("-XepOpt:ErrorProneTestHelperSourceFormat:AvoidTextBlocks=true");
 
+  // XXX: Consider reducing the `@DisabledForJreRange(max = JRE.JAVA_14)` test scope by moving the
+  // text blocks to smaller test methods.
+
+  @DisabledForJreRange(max = JRE.JAVA_14)
   @Test
   void identification() {
     compilationTestHelper
@@ -86,6 +92,7 @@ class B {}
         .doTest();
   }
 
+  @DisabledForJreRange(max = JRE.JAVA_14)
   @Test
   void identificationAvoidTextBlocks() {
     avoidTextBlocksCompilationTestHelper