diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e7ba7782e..0cd965aad 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,7 +20,7 @@ on:
         required: true
 jobs:
   run_build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     steps:
     - uses: actions/checkout@v2
     - name: set up JDK 8
diff --git a/.github/workflows/java.yml b/.github/workflows/java.yml
index a7c2eafe9..bc866f898 100644
--- a/.github/workflows/java.yml
+++ b/.github/workflows/java.yml
@@ -1,4 +1,3 @@
-
 name: Java CI with Gradle
 
 on:
@@ -46,7 +45,7 @@ jobs:
   
   test:
     if: startsWith(github.ref, 'refs/tags/') != true
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     strategy:
       fail-fast: false
       matrix:
@@ -82,12 +81,12 @@ jobs:
           ./gradlew exhaustiveTest
           ./gradlew build
       - name: Check on failures
-        if: steps.unit_tests.outcome != 'success'
+        if: always() && steps.unit_tests.outcome != 'success'
         run: |
           cat /home/runner/java-sdk/core-api/build/reports/findbugs/main.html
           cat /home/runner/java-sdk/core-api/build/reports/findbugs/test.html
       - name: Check on success
-        if: steps.unit_tests.outcome == 'success'
+        if: always() && steps.unit_tests.outcome == 'success'
         run: |
           ./gradlew coveralls uploadArchives --console plain
           
diff --git a/core-api/src/test/java/com/optimizely/ab/config/DatafileProjectConfigTestUtils.java b/core-api/src/test/java/com/optimizely/ab/config/DatafileProjectConfigTestUtils.java
index b96815a39..49eaac733 100644
--- a/core-api/src/test/java/com/optimizely/ab/config/DatafileProjectConfigTestUtils.java
+++ b/core-api/src/test/java/com/optimizely/ab/config/DatafileProjectConfigTestUtils.java
@@ -491,7 +491,7 @@ private static void verifyExperiments(List<Experiment> actual, List<Experiment>
             assertThat(actualExperiment.getGroupId(), is(expectedExperiment.getGroupId()));
             assertThat(actualExperiment.getStatus(), is(expectedExperiment.getStatus()));
             assertThat(actualExperiment.getAudienceIds(), is(expectedExperiment.getAudienceIds()));
-            assertThat(actualExperiment.getAudienceConditions(), is(expectedExperiment.getAudienceConditions()));
+            assertEquals(actualExperiment.getAudienceConditions(), expectedExperiment.getAudienceConditions());
             assertThat(actualExperiment.getUserIdToVariationKeyMap(),
                 is(expectedExperiment.getUserIdToVariationKeyMap()));
 
diff --git a/core-api/src/test/java/com/optimizely/ab/config/parser/JacksonConfigParserTest.java b/core-api/src/test/java/com/optimizely/ab/config/parser/JacksonConfigParserTest.java
index e4e009e10..2e5dcb672 100644
--- a/core-api/src/test/java/com/optimizely/ab/config/parser/JacksonConfigParserTest.java
+++ b/core-api/src/test/java/com/optimizely/ab/config/parser/JacksonConfigParserTest.java
@@ -69,6 +69,7 @@ public void parseProjectConfigV3() throws Exception {
         verifyProjectConfig(actual, expected);
     }
 
+    @SuppressFBWarnings("NP_NULL_PARAM_DEREF")
     @Test
     public void parseProjectConfigV4() throws Exception {
         JacksonConfigParser parser = new JacksonConfigParser();