workaround dexmaker bug in test cases

// FREEBIE

androidTest/java/org/thoughtcrime/securesms/TextSecureTestCase.java

@@ -0,0 +1,16 @@
+package org.thoughtcrime.securesms;
+
+import android.content.Context;
+import android.test.InstrumentationTestCase;
+
+public class TextSecureTestCase extends InstrumentationTestCase {
+
+  @Override
+  public void setUp() throws Exception {
+    System.setProperty("dexmaker.dexcache", getInstrumentation().getTargetContext().getCacheDir().getPath());
+  }
+
+  protected Context getContext() {
+    return getInstrumentation().getContext();
+  }
+}

androidTest/java/org/thoughtcrime/securesms/database/CanonicalAddressDatabaseTest.java

@@ -1,10 +1,10 @@
 package org.thoughtcrime.securesms.database;
 
-import android.test.InstrumentationTestCase;
+import org.thoughtcrime.securesms.TextSecureTestCase;
 
 import static org.fest.assertions.api.Assertions.assertThat;
 
-public class CanonicalAddressDatabaseTest extends InstrumentationTestCase {
+public class CanonicalAddressDatabaseTest extends TextSecureTestCase {
   private static final String AMBIGUOUS_NUMBER = "222-3333";
   private static final String SPECIFIC_NUMBER  = "+49 444 222 3333";
   private static final String EMAIL            = "a@b.fom";

androidTest/java/org/thoughtcrime/securesms/database/PartDatabaseTest.java

@@ -1,8 +1,8 @@
 package org.thoughtcrime.securesms.database;
 
 import android.net.Uri;
-import android.test.InstrumentationTestCase;
 
+import org.thoughtcrime.securesms.TextSecureTestCase;
 import org.thoughtcrime.securesms.crypto.MasterSecret;
 
 import java.io.FileNotFoundException;
@@ -19,11 +19,10 @@ import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-public class PartDatabaseTest extends InstrumentationTestCase {
+public class PartDatabaseTest extends TextSecureTestCase {
   private static final long PART_ID = 1L;
 
   private PartDatabase database;

androidTest/java/org/thoughtcrime/securesms/jobs/CleanPreKeysJobTest.java

@@ -2,6 +2,7 @@ package org.thoughtcrime.securesms.jobs;
 
 import android.test.AndroidTestCase;
 
+import org.thoughtcrime.securesms.TextSecureTestCase;
 import org.thoughtcrime.securesms.crypto.MasterSecret;
 import org.thoughtcrime.securesms.dependencies.AxolotlStorageModule;
 import org.whispersystems.libaxolotl.ecc.Curve;
@@ -28,7 +29,7 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;
 
-public class CleanPreKeysJobTest extends AndroidTestCase {
+public class CleanPreKeysJobTest extends TextSecureTestCase {
 
   public void testSignedPreKeyRotationNotRegistered() throws IOException, MasterSecretJob.RequirementNotMetException {
     TextSecureAccountManager accountManager    = mock(TextSecureAccountManager.class);

androidTest/java/org/thoughtcrime/securesms/jobs/DeliveryReceiptJobTest.java

@@ -4,6 +4,7 @@ import android.test.AndroidTestCase;
 
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mockito;
+import org.thoughtcrime.securesms.TextSecureTestCase;
 import org.thoughtcrime.securesms.crypto.MasterSecret;
 import org.whispersystems.textsecure.api.TextSecureMessageSender;
 import org.whispersystems.textsecure.api.push.PushAddress;
@@ -22,7 +23,7 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.thoughtcrime.securesms.dependencies.TextSecureCommunicationModule.TextSecureMessageSenderFactory;
 
-public class DeliveryReceiptJobTest extends AndroidTestCase {
+public class DeliveryReceiptJobTest extends TextSecureTestCase {
 
   public void testDelivery() throws IOException {
     TextSecureMessageSender textSecureMessageSender = mock(TextSecureMessageSender.class);

androidTest/java/org/thoughtcrime/securesms/util/PhoneNumberFormatterTest.java

@@ -4,11 +4,12 @@ import android.test.AndroidTestCase;
 
 import junit.framework.AssertionFailedError;
 
+import org.thoughtcrime.securesms.TextSecureTestCase;
 import org.whispersystems.textsecure.api.util.InvalidNumberException;
 import org.whispersystems.textsecure.api.util.PhoneNumberFormatter;
 import static org.fest.assertions.api.Assertions.assertThat;
 
-public class PhoneNumberFormatterTest extends AndroidTestCase {
+public class PhoneNumberFormatterTest extends TextSecureTestCase {
   private static final String LOCAL_NUMBER = "+15555555555";
 
   public void testFormatNumberE164() throws Exception, InvalidNumberException {