diff --git a/src/test/groovy/com/intuit/graphql/orchestrator/integration/MutationNestedFieldsArgumentsSpec.groovy b/src/test/groovy/com/intuit/graphql/orchestrator/integration/MutationNestedFieldsArgumentsSpec.groovy
index 59917c55..d6418855 100644
--- a/src/test/groovy/com/intuit/graphql/orchestrator/integration/MutationNestedFieldsArgumentsSpec.groovy
+++ b/src/test/groovy/com/intuit/graphql/orchestrator/integration/MutationNestedFieldsArgumentsSpec.groovy
@@ -1,17 +1,37 @@
 package com.intuit.graphql.orchestrator.integration
 
 import com.intuit.graphql.orchestrator.GraphQLOrchestrator
-import com.intuit.graphql.orchestrator.ServiceD
-import com.intuit.graphql.orchestrator.ServiceE
 import com.intuit.graphql.orchestrator.ServiceProvider
 import com.intuit.graphql.orchestrator.schema.transform.FieldMergeException
 import helpers.BaseIntegrationTestSpecification
 
 class MutationNestedFieldsArgumentsSpec extends BaseIntegrationTestSpecification {
+    def mockDServiceResponse = [
+            data: [
+                    serviceD: []
+            ]
+    ]
+
+    def mockEServiceResponse = [
+            data: [
+                    serviceD: []
+            ]
+    ]
 
     def "cannot Build Due To Mutation Nested Fields Has Mismatched Arguments"() {
+        def serviceD = createSimpleMockService( "SVCD", "type Query { } "
+                + "type Mutation { container(in : String) : Container } "
+                + "type Container { serviceD : ServiceD } "
+                + "type ServiceD { svcDField1 : String }", mockDServiceResponse)
+
+        def serviceE = createSimpleMockService( "SVCE", "type Query { } "
+                + "type Mutation { container(out : String) : Container } "
+                + "type Container { serviceE : ServiceE } "
+                + "type ServiceE { svcEField1 : String }", mockEServiceResponse)
+
+
         given:
-        ServiceProvider[] services = [ new ServiceD(), new ServiceE() ]
+        ServiceProvider[] services = [ serviceD, serviceE ]
 
         when:
         GraphQLOrchestrator orchestrator = createGraphQLOrchestrator(services)
diff --git a/src/test/groovy/com/intuit/graphql/orchestrator/integration/NestedFieldsArgumentsSpec.groovy b/src/test/groovy/com/intuit/graphql/orchestrator/integration/NestedFieldsArgumentsSpec.groovy
index 19085fc5..000f6aca 100644
--- a/src/test/groovy/com/intuit/graphql/orchestrator/integration/NestedFieldsArgumentsSpec.groovy
+++ b/src/test/groovy/com/intuit/graphql/orchestrator/integration/NestedFieldsArgumentsSpec.groovy
@@ -1,17 +1,35 @@
 package com.intuit.graphql.orchestrator.integration
 
 import com.intuit.graphql.orchestrator.GraphQLOrchestrator
-import com.intuit.graphql.orchestrator.ServiceA
-import com.intuit.graphql.orchestrator.ServiceB
 import com.intuit.graphql.orchestrator.ServiceProvider
 import com.intuit.graphql.orchestrator.schema.transform.FieldMergeException
 import helpers.BaseIntegrationTestSpecification
 
 class NestedFieldsArgumentsSpec extends BaseIntegrationTestSpecification {
+    def mockAServiceResponse = [
+            data: [
+                    serviceA: []
+            ]
+    ]
+
+    def mockBServiceResponse = [
+            data: [
+                    serviceB: []
+            ]
+    ]
 
     def "cannot Build Due To Query Nested Fields Has Mismatched Arguments"() {
+        def serviceA = createSimpleMockService( "SVCA", "type Query { container : Container } "
+                + "type Container { serviceA : ServiceA } "
+                + "type ServiceA { svcAField1 : String }", mockAServiceResponse)
+
+        def serviceB = createSimpleMockService( "SVCB", "type Query { container(in : String) : Container } "
+                + "type Container { serviceB : ServiceB } "
+                + "type ServiceB { svcBField1 : String }", mockBServiceResponse)
+
+
         when:
-        ServiceProvider[] services = [ new ServiceA(), new ServiceB() ]
+        ServiceProvider[] services = [ serviceA, serviceB ]
         GraphQLOrchestrator orchestrator = createGraphQLOrchestrator(services)
 
         then:
diff --git a/src/test/groovy/com/intuit/graphql/orchestrator/integration/NestedFieldsDirectivesSpec.groovy b/src/test/groovy/com/intuit/graphql/orchestrator/integration/NestedFieldsDirectivesSpec.groovy
index 916986cb..19d9a336 100644
--- a/src/test/groovy/com/intuit/graphql/orchestrator/integration/NestedFieldsDirectivesSpec.groovy
+++ b/src/test/groovy/com/intuit/graphql/orchestrator/integration/NestedFieldsDirectivesSpec.groovy
@@ -1,17 +1,37 @@
 package com.intuit.graphql.orchestrator.integration
 
 import com.intuit.graphql.orchestrator.GraphQLOrchestrator
-import com.intuit.graphql.orchestrator.ServiceA
-import com.intuit.graphql.orchestrator.ServiceC
 import com.intuit.graphql.orchestrator.ServiceProvider
 import com.intuit.graphql.orchestrator.schema.transform.FieldMergeException
 import helpers.BaseIntegrationTestSpecification
 
 class NestedFieldsDirectivesSpec extends BaseIntegrationTestSpecification {
 
+    def mockAServiceResponse = [
+            data: [
+                    serviceA: []
+            ]
+    ]
+
+    def mockCServiceResponse = [
+            data: [
+                    serviceC: []
+            ]
+    ]
+
+
     def "cannot Build Due To Query Nested Fields Has Mismatched Directives"() {
+        def serviceA = createSimpleMockService( "SVCA", "type Query { container : Container } "
+                + "type Container { serviceA : ServiceA } "
+                + "type ServiceA { svcAField1 : String }", mockAServiceResponse)
+
+        def serviceC = createSimpleMockService( "SVCC", "type Query { container : Container @deprecated } "
+                + "type Container { serviceC : ServiceC } "
+                + "type ServiceC { svcCField1 : String }", mockCServiceResponse)
+
+
         when:
-        ServiceProvider[] services = [new ServiceA(), new ServiceC() ]
+        ServiceProvider[] services = [serviceA, serviceC]
         GraphQLOrchestrator orchestrator = createGraphQLOrchestrator(services)
 
         then:
diff --git a/src/test/java/com/intuit/graphql/orchestrator/ServiceA.java b/src/test/java/com/intuit/graphql/orchestrator/ServiceA.java
deleted file mode 100644
index 4e44e146..00000000
--- a/src/test/java/com/intuit/graphql/orchestrator/ServiceA.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package com.intuit.graphql.orchestrator;
-
-import com.google.common.collect.ImmutableMap;
-import graphql.ExecutionInput;
-import graphql.GraphQLContext;
-import java.util.Map;
-import java.util.concurrent.CompletableFuture;
-
-public class ServiceA implements ServiceProvider {
-
-  ServiceA() {
-  }
-
-  @Override
-  public String getNameSpace() {
-    return "SVCA";
-  }
-
-  @Override
-  public Map<String, String> sdlFiles() {
-    String schema = "type Query { container : Container } "
-        + "type Container { serviceA : ServiceA } "
-        + "type ServiceA { svcAField1 : String }";
-    return ImmutableMap.of("svca-schema.graphqls", schema);
-  }
-
-  @Override
-  public CompletableFuture<Map<String, Object>> query(ExecutionInput executionInput,
-      GraphQLContext context) {
-    // this is intended to fail during stitching
-    // this will not be called
-    return null;
-  }
-}
diff --git a/src/test/java/com/intuit/graphql/orchestrator/ServiceB.java b/src/test/java/com/intuit/graphql/orchestrator/ServiceB.java
deleted file mode 100644
index 9f29165b..00000000
--- a/src/test/java/com/intuit/graphql/orchestrator/ServiceB.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package com.intuit.graphql.orchestrator;
-
-import com.google.common.collect.ImmutableMap;
-import graphql.ExecutionInput;
-import graphql.GraphQLContext;
-import java.util.Map;
-import java.util.concurrent.CompletableFuture;
-
-public class ServiceB implements ServiceProvider {
-
-  ServiceB() {
-  }
-
-  @Override
-  public String getNameSpace() {
-    return "SVCB";
-  }
-
-  @Override
-  public Map<String, String> sdlFiles() {
-    String schema = "type Query { container(in : String) : Container } "
-        + "type Container { serviceB : ServiceB } "
-        + "type ServiceB { svcBField1 : String }";
-    return ImmutableMap.of("svcb-schema.graphqls", schema);
-  }
-
-  @Override
-  public CompletableFuture<Map<String, Object>> query(ExecutionInput executionInput,
-      GraphQLContext context) {
-    // this is intended to fail during stitching
-    // this will not be called
-    return null;
-  }
-}
diff --git a/src/test/java/com/intuit/graphql/orchestrator/ServiceC.java b/src/test/java/com/intuit/graphql/orchestrator/ServiceC.java
deleted file mode 100644
index 7b74b240..00000000
--- a/src/test/java/com/intuit/graphql/orchestrator/ServiceC.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package com.intuit.graphql.orchestrator;
-
-import com.google.common.collect.ImmutableMap;
-import graphql.ExecutionInput;
-import graphql.GraphQLContext;
-import java.util.Map;
-import java.util.concurrent.CompletableFuture;
-
-public class ServiceC implements ServiceProvider {
-
-  ServiceC() {
-  }
-
-  @Override
-  public String getNameSpace() {
-    return "SVCC";
-  }
-
-  @Override
-  public Map<String, String> sdlFiles() {
-    String schema = "type Query { container : Container @deprecated } "
-        + "type Container { serviceC : ServiceC } "
-        + "type ServiceC { svcCField1 : String }";
-
-    return ImmutableMap.of("svcc-schema.graphqls", schema);
-  }
-
-  @Override
-  public CompletableFuture<Map<String, Object>> query(ExecutionInput executionInput,
-      GraphQLContext context) {
-    // this is intended to fail during stitching
-    // this will not be called
-    return null;
-  }
-}
diff --git a/src/test/java/com/intuit/graphql/orchestrator/ServiceD.java b/src/test/java/com/intuit/graphql/orchestrator/ServiceD.java
deleted file mode 100644
index e91c707c..00000000
--- a/src/test/java/com/intuit/graphql/orchestrator/ServiceD.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package com.intuit.graphql.orchestrator;
-
-import com.google.common.collect.ImmutableMap;
-import graphql.ExecutionInput;
-import graphql.GraphQLContext;
-import java.util.Map;
-import java.util.concurrent.CompletableFuture;
-
-public class ServiceD implements ServiceProvider {
-
-  ServiceD() {
-  }
-
-  @Override
-  public String getNameSpace() {
-    return "SVCD";
-  }
-
-  @Override
-  public Map<String, String> sdlFiles() {
-    String schema = "type Query { } "
-        + "type Mutation { container(in : String) : Container } "
-        + "type Container { serviceD : ServiceD } "
-        + "type ServiceD { svcDField1 : String }";
-    return ImmutableMap.of("svcd-schema.graphqls", schema);
-  }
-
-  @Override
-  public CompletableFuture<Map<String, Object>> query(ExecutionInput executionInput,
-      GraphQLContext context) {
-    // this is intended to fail during stitching
-    // this will not be called
-    return null;
-  }
-}
diff --git a/src/test/java/com/intuit/graphql/orchestrator/ServiceE.java b/src/test/java/com/intuit/graphql/orchestrator/ServiceE.java
deleted file mode 100644
index c8dda658..00000000
--- a/src/test/java/com/intuit/graphql/orchestrator/ServiceE.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package com.intuit.graphql.orchestrator;
-
-import com.google.common.collect.ImmutableMap;
-import graphql.ExecutionInput;
-import graphql.GraphQLContext;
-import java.util.Map;
-import java.util.concurrent.CompletableFuture;
-
-public class ServiceE implements ServiceProvider {
-
-  ServiceE() {
-  }
-
-  @Override
-  public String getNameSpace() {
-    return "SVCE";
-  }
-
-  @Override
-  public Map<String, String> sdlFiles() {
-    String schema = "type Query { } "
-        + "type Mutation { container(out : String) : Container } "
-        + "type Container { serviceE : ServiceE } "
-        + "type ServiceE { svcEField1 : String }";
-
-    return ImmutableMap.of("svce-schema.graphqls", schema);
-  }
-
-  @Override
-  public CompletableFuture<Map<String, Object>> query(ExecutionInput executionInput,
-      GraphQLContext context) {
-    // this is intended to fail during stitching
-    // this will not be called
-    return null;
-  }
-}