diff --git a/src/test/java/ByteGrayColorTest.java b/src/test/java/ByteGrayColorTest.java
index b4a06ba14dce2ffad4a72b0ebd0a3cb3520ff7f2..ddca387ebbc3eac44600779f4a13c3af49e89f9a 100644
--- a/src/test/java/ByteGrayColorTest.java
+++ b/src/test/java/ByteGrayColorTest.java
@@ -17,7 +17,7 @@ public class ByteGrayColorTest {
   public void testGetLuminosity_whenColorCreatedWithLuminosity(){
     ByteGrayColor color1 = new ByteGrayColor(.25);
     ByteGrayColor color2 = new ByteGrayColor(.75);
-    assertThat(color1.getLuminosity(), is(closeTo(.25,.0001)));
-    assertThat(color2.getLuminosity(), is(closeTo(.75,.0001)));
+    assertThat(color1.getLuminosity(), is(closeTo(.25,.01)));
+    assertThat(color2.getLuminosity(), is(closeTo(.75,.01)));
   }
 }
diff --git a/src/test/java/MatrixGrayImageTest.java b/src/test/java/MatrixGrayImageTest.java
index ae8e26e2ce98a452e510027b3aa8e63ba711bb1e..0664e25844ec0df36fef9024d04ea814c08f741e 100644
--- a/src/test/java/MatrixGrayImageTest.java
+++ b/src/test/java/MatrixGrayImageTest.java
@@ -16,8 +16,8 @@ class MatrixGrayImageTest {
 
     @Test
     void getHeight() {
-        assertThat(new MatrixGrayImage(0,0).getWidth(), is(equalTo(0)));
-        assertThat(new MatrixGrayImage(10,20).getWidth(), is(equalTo(20)));
-        assertThat(new MatrixGrayImage(400,300).getWidth(), is(equalTo(300)));
+        assertThat(new MatrixGrayImage(0,0).getHeight(), is(equalTo(0)));
+        assertThat(new MatrixGrayImage(10,20).getHeight(), is(equalTo(20)));
+        assertThat(new MatrixGrayImage(400,300).getHeight(), is(equalTo(300)));
     }
 }
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