diff --git a/src/test/java/org/cactoos/io/TempFileTest.java b/src/test/java/org/cactoos/io/TempFileTest.java
index 815e4d67d6..a00c96dd01 100644
--- a/src/test/java/org/cactoos/io/TempFileTest.java
+++ b/src/test/java/org/cactoos/io/TempFileTest.java
@@ -32,6 +32,7 @@
 import org.hamcrest.core.IsEqual;
 import org.junit.Test;
 import org.llorllale.cactoos.matchers.Assertion;
+import org.llorllale.cactoos.matchers.EndsWith;
 import org.llorllale.cactoos.matchers.MatcherOf;
 import org.llorllale.cactoos.matchers.StartsWith;
 
@@ -40,6 +41,7 @@
  *
  * @since 1.0
  * @checkstyle JavadocMethodCheck (500 lines)
+ * @checkstyle ClassDataAbstractionCouplingCheck (500 lines)
  */
 public final class TempFileTest {
 
@@ -112,8 +114,8 @@ public void createFileWithSuffix() throws Exception {
             new Assertion<>(
                 "File must be created with the given suffix",
                 new TextOf(file.value().getFileName().toString()),
-                new StartsWith(suffix)
-            );
+                new EndsWith(suffix)
+            ).affirm();
         }
     }
 }
diff --git a/src/test/java/org/cactoos/io/UncheckedBytesTest.java b/src/test/java/org/cactoos/io/UncheckedBytesTest.java
index f61e7da159..3321b9cc88 100644
--- a/src/test/java/org/cactoos/io/UncheckedBytesTest.java
+++ b/src/test/java/org/cactoos/io/UncheckedBytesTest.java
@@ -58,6 +58,6 @@ public void worksNormallyWhenNoExceptionIsThrown() throws Exception {
             Matchers.equalTo(
                 new BytesOf(source).asBytes()
             )
-        );
+        ).affirm();
     }
 }