diff --git a/pgpainless-core/src/test/java/org/pgpainless/BouncycastleExportSubkeys.java b/pgpainless-core/src/test/java/org/pgpainless/BouncycastleExportSubkeys.java
index 512d2639..76547318 100644
--- a/pgpainless-core/src/test/java/org/pgpainless/BouncycastleExportSubkeys.java
+++ b/pgpainless-core/src/test/java/org/pgpainless/BouncycastleExportSubkeys.java
@@ -15,13 +15,11 @@
  */
 package org.pgpainless;
 
-import java.io.IOException;
 import java.security.InvalidAlgorithmParameterException;
 import java.security.KeyPair;
 import java.security.KeyPairGenerator;
 import java.security.NoSuchAlgorithmException;
 import java.security.NoSuchProviderException;
-import java.security.Security;
 import java.util.Date;
 
 import org.bouncycastle.bcpg.CompressionAlgorithmTags;
@@ -46,12 +44,10 @@ import org.bouncycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBu
 import org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyPair;
 import org.junit.Test;
 
-public class BouncycastleExportSubkeys {
+public class BouncycastleExportSubkeys extends AbstractPGPainlessTest {
 
     @Test
-    public void testExportImport() throws NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException, PGPException, IOException {
-        Security.addProvider(new BouncyCastleProvider());
-
+    public void testExportImport() throws NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException, PGPException {
         KeyPairGenerator generator;
         KeyPair pair;
 
diff --git a/pgpainless-core/src/test/java/org/pgpainless/ImportExportKeyTest.java b/pgpainless-core/src/test/java/org/pgpainless/ImportExportKeyTest.java
index edcd2784..9ead5553 100644
--- a/pgpainless-core/src/test/java/org/pgpainless/ImportExportKeyTest.java
+++ b/pgpainless-core/src/test/java/org/pgpainless/ImportExportKeyTest.java
@@ -21,11 +21,9 @@ import java.io.IOException;
 import java.security.InvalidAlgorithmParameterException;
 import java.security.NoSuchAlgorithmException;
 import java.security.NoSuchProviderException;
-import java.security.Security;
 import java.util.Arrays;
 import java.util.Iterator;
 
-import org.bouncycastle.jce.provider.BouncyCastleProvider;
 import org.bouncycastle.openpgp.PGPException;
 import org.bouncycastle.openpgp.PGPPublicKey;
 import org.bouncycastle.openpgp.PGPPublicKeyRing;
@@ -34,14 +32,10 @@ import org.bouncycastle.openpgp.operator.bc.BcKeyFingerprintCalculator;
 import org.junit.Test;
 import org.pgpainless.key.collection.PGPKeyRing;
 
-public class ImportExportKeyTest {
-
-    static {
-        Security.addProvider(new BouncyCastleProvider());
-    }
+public class ImportExportKeyTest extends AbstractPGPainlessTest {
 
     /**
-     * This test is failing. Not sure if a bug in BC or in my code...
+     * Test the export and import of a key ring with sub keys.
      * @throws PGPException very
      * @throws NoSuchAlgorithmException much
      * @throws NoSuchProviderException some
diff --git a/pgpainless-core/src/test/java/org/pgpainless/KeyRingSubKeyFixTest.java b/pgpainless-core/src/test/java/org/pgpainless/KeyRingSubKeyFixTest.java
index 46e0cb50..43bcfd45 100644
--- a/pgpainless-core/src/test/java/org/pgpainless/KeyRingSubKeyFixTest.java
+++ b/pgpainless-core/src/test/java/org/pgpainless/KeyRingSubKeyFixTest.java
@@ -21,10 +21,8 @@ import java.io.IOException;
 import java.security.InvalidAlgorithmParameterException;
 import java.security.NoSuchAlgorithmException;
 import java.security.NoSuchProviderException;
-import java.security.Security;
 import java.util.Arrays;
 
-import org.bouncycastle.jce.provider.BouncyCastleProvider;
 import org.bouncycastle.openpgp.PGPException;
 import org.bouncycastle.openpgp.PGPPublicKeyRing;
 import org.bouncycastle.openpgp.PGPSecretKeyRing;
@@ -33,11 +31,7 @@ import org.pgpainless.key.collection.PGPKeyRing;
 import org.pgpainless.util.BCUtil;
 import org.pgpainless.util.KeyRingSubKeyFix;
 
-public class KeyRingSubKeyFixTest {
-
-    static {
-        Security.addProvider(new BouncyCastleProvider());
-    }
+public class KeyRingSubKeyFixTest extends AbstractPGPainlessTest {
 
     @Test
     public void test()
diff --git a/pgpainless-core/src/test/java/org/pgpainless/LengthTest.java b/pgpainless-core/src/test/java/org/pgpainless/LengthTest.java
index 0b730d65..7b4dd2c2 100644
--- a/pgpainless-core/src/test/java/org/pgpainless/LengthTest.java
+++ b/pgpainless-core/src/test/java/org/pgpainless/LengthTest.java
@@ -66,11 +66,11 @@ public class LengthTest extends AbstractPGPainlessTest {
 
     // @Test
     public void RsaRsa4096()
-            throws PGPException, NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException,
+            throws PGPException,
             IOException {
         LOGGER.log(Level.INFO, "\nRSA-4096 -> RSA-4096");
-        PGPKeyRing sender = PGPainless.generateKeyRing().simpleRsaKeyRing("simplejid@server.tld", RsaLength._4096);
-        PGPKeyRing recipient = PGPainless.generateKeyRing().simpleRsaKeyRing("otherjid@other.srv", RsaLength._4096);
+        PGPKeyRing sender = PGPainless.readKeyRing().keyRing(TestKeys.JULIET_PUB, TestKeys.JULIET_SEC);
+        PGPKeyRing recipient = PGPainless.readKeyRing().keyRing(TestKeys.ROMEO_PUB, TestKeys.ROMEO_SEC);
         encryptDecryptForSecretKeyRings(sender, recipient);
     }
 
diff --git a/pgpainless-core/src/test/java/org/pgpainless/OpenPgpV4FingerprintTest.java b/pgpainless-core/src/test/java/org/pgpainless/OpenPgpV4FingerprintTest.java
index 0886dbf2..f3d5f5e8 100644
--- a/pgpainless-core/src/test/java/org/pgpainless/OpenPgpV4FingerprintTest.java
+++ b/pgpainless-core/src/test/java/org/pgpainless/OpenPgpV4FingerprintTest.java
@@ -24,7 +24,7 @@ import org.bouncycastle.openpgp.PGPPublicKey;
 import org.junit.Test;
 import org.pgpainless.key.OpenPgpV4Fingerprint;
 
-public class OpenPgpV4FingerprintTest {
+public class OpenPgpV4FingerprintTest extends AbstractPGPainlessTest {
 
     @Test(expected = IllegalArgumentException.class)
     public void fpTooShort() {
diff --git a/pgpainless-core/src/test/java/org/pgpainless/TestKeys.java b/pgpainless-core/src/test/java/org/pgpainless/TestKeys.java
index e4a821bb..fbc4585e 100644
--- a/pgpainless-core/src/test/java/org/pgpainless/TestKeys.java
+++ b/pgpainless-core/src/test/java/org/pgpainless/TestKeys.java
@@ -27,7 +27,7 @@ import org.bouncycastle.openpgp.PGPUtil;
 import org.bouncycastle.openpgp.operator.KeyFingerPrintCalculator;
 import org.bouncycastle.openpgp.operator.bc.BcKeyFingerprintCalculator;
 
-public class TestKeys {
+public class TestKeys extends AbstractPGPainlessTest {
 
     private static final KeyFingerPrintCalculator calc = new BcKeyFingerprintCalculator();
     private static PGPSecretKeyRing julietSecretKeyRing = null;