Bug/76 fix featuretoggle (#77)

* Added JsonIgnore for proper serialization.

* Added assertion for feature toggle test

Author: hkarthik7

azd/src/main/java/org/azd/core/types/ProjectFeature.java

@@ -1,5 +1,6 @@
 package org.azd.core.types;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import org.azd.abstractions.serializer.SerializableEntity;
@@ -44,6 +45,7 @@ public void setState(String state) {
         this.state = state;
     }
 
+    @JsonIgnore
     public Optional<Boolean> getStateAsBoolean() {
         if (state == null) {
             return Optional.empty();

azd/src/test/java/org/azd/unittests/CoreRequestBuilderTest.java

@@ -199,7 +199,8 @@ public void shouldReadProjectFeatures() throws AzDException {
     public void shouldToggleFeature() throws AzDException {
         var project = client.core().projects().get(testConfiguration.properties.core.projectName);
         Assume.assumeNotNull(project);
-        client.helpers().featureManagement()
+        var resp = client.helpers().featureManagement()
                 .featureToggle(project.getId(), FeatureManagement.TEST_PLANS, false);
+        assert !resp.getStateAsBoolean().get();
     }
 }