diff --git a/src/test/java/com/jcabi/github/RtDeployKeysTest.java b/src/test/java/com/jcabi/github/RtDeployKeysTest.java
index d3a683350..843051a80 100644
--- a/src/test/java/com/jcabi/github/RtDeployKeysTest.java
+++ b/src/test/java/com/jcabi/github/RtDeployKeysTest.java
@@ -124,16 +124,24 @@ public void canFetchSingleDeployKey() throws IOException {
     @Test
     public void canCreateDeployKey() throws IOException {
         final int number = 2;
-        final DeployKeys keys = new RtDeployKeys(
-            new FakeRequest()
-                .withStatus(HttpURLConnection.HTTP_CREATED)
-                .withBody(String.format("{\"id\":%d}", number)),
-            RtDeployKeysTest.repo()
-        );
-        MatcherAssert.assertThat(
-            keys.create("Title", "Key").number(),
-            Matchers.equalTo(number)
+        final MkContainer container = new MkGrizzlyContainer().next(
+            new MkAnswer.Simple(
+                HttpURLConnection.HTTP_CREATED,
+                String.format("{\"id\":%d}", number)
+            )
         );
+        container.start();
+        try {
+            final DeployKeys keys = new RtDeployKeys(
+                new ApacheRequest(container.home()), RtDeployKeysTest.repo()
+            );
+            MatcherAssert.assertThat(
+                keys.create("Title", "Key").number(),
+                Matchers.equalTo(number)
+            );
+        } finally {
+            container.stop();
+        }
     }
 
     /**
diff --git a/src/test/java/com/jcabi/github/RtReleaseAssetsTest.java b/src/test/java/com/jcabi/github/RtReleaseAssetsTest.java
index e036f86d9..f1be6cffb 100644
--- a/src/test/java/com/jcabi/github/RtReleaseAssetsTest.java
+++ b/src/test/java/com/jcabi/github/RtReleaseAssetsTest.java
@@ -71,13 +71,14 @@ public void listReleaseAssets() throws Exception {
      */
     @Test
     public void uploadReleaseAsset() throws Exception {
+        final String body = "{\"id\":1}";
         final ReleaseAssets assets = new RtReleaseAssets(
             new FakeRequest().withStatus(HttpURLConnection.HTTP_CREATED)
-                .withBody("{\"id\":1}"),
+                .withBody(body),
             release()
         );
         MatcherAssert.assertThat(
-            assets.upload("blah".getBytes(), "text/plain", "hello.txt")
+            assets.upload(body.getBytes(), "text/plain", "hello.txt")
                 .number(),
             Matchers.is(1)
         );
diff --git a/src/test/java/com/jcabi/github/RtUserEmailsTest.java b/src/test/java/com/jcabi/github/RtUserEmailsTest.java
index 47814b301..656bd4b28 100644
--- a/src/test/java/com/jcabi/github/RtUserEmailsTest.java
+++ b/src/test/java/com/jcabi/github/RtUserEmailsTest.java
@@ -29,6 +29,10 @@
  */
 package com.jcabi.github;
 
+import com.jcabi.http.mock.MkAnswer;
+import com.jcabi.http.mock.MkContainer;
+import com.jcabi.http.mock.MkGrizzlyContainer;
+import com.jcabi.http.request.ApacheRequest;
 import com.jcabi.http.request.FakeRequest;
 import java.net.HttpURLConnection;
 import java.util.Collections;
@@ -70,15 +74,24 @@ public void fetchesEmails() throws Exception {
     @Test
     public void addsEmails() throws Exception {
         final String email = "test1@email.com";
-        final UserEmails emails = new RtUserEmails(
-            new FakeRequest()
-                .withStatus(HttpURLConnection.HTTP_CREATED)
-                .withBody(String.format("[{\"email\":\"%s\"}]", email))
-        );
-        MatcherAssert.assertThat(
-            emails.add(Collections.singletonList(email)).iterator().next(),
-            Matchers.equalTo(email)
+        final MkContainer container = new MkGrizzlyContainer().next(
+            new MkAnswer.Simple(
+                HttpURLConnection.HTTP_CREATED,
+                String.format("[{\"email\":\"%s\"}]", email)
+            )
         );
+        container.start();
+        try {
+            final UserEmails emails = new RtUserEmails(
+                new ApacheRequest(container.home())
+            );
+            MatcherAssert.assertThat(
+                emails.add(Collections.singletonList(email)).iterator().next(),
+                Matchers.equalTo(email)
+            );
+        } finally {
+            container.stop();
+        }
     }
 
     /**