Increase timeout

Author: Bartosz Litwiniuk

backtrace-library/src/androidTest/java/backtraceio/library/database/BacktraceDatabaseContextMultithreadedTest.java

@@ -61,7 +61,7 @@ public void setUp() {
     @Test
     public void testConcurrentModification() throws InterruptedException {
         // GIVEN
-        final TestConfig config = new TestConfig(500, 250, 150, 10000);
+        final TestConfig config = new TestConfig(500, 250, 150, 3000); // 30s
         final List<BacktraceDatabaseRecord> initialRecords = generateMockRecords(config.recordsState);
 
         final CountDownLatch startLatch = new CountDownLatch(1);