diff --git a/src/main/server/adapter/case/case.test.js b/src/main/server/adapter/case/case.test.js
index 5080b7929..b52b653cd 100644
--- a/src/main/server/adapter/case/case.test.js
+++ b/src/main/server/adapter/case/case.test.js
@@ -19,7 +19,7 @@ describe("CASE Adapter", function() {
 
     before(async ()=>{
         try{
-            await fetch("http://localhost/api/data/70d27b782c062d1280b240890141dcf6");
+            await fetch(`${process.env.CASS_LOOPBACK || "http://localhost/api/"}data/70d27b782c062d1280b240890141dcf6`);
         }
         catch(err){
             let onet = await (await fetch("https://www.onetcenter.org/ctdlasn/graph/ce-07c25f74-9119-11e8-b852-782bcb5df6ac")).json();
@@ -30,10 +30,10 @@ describe("CASE Adapter", function() {
     });
 
     it('conversion to CASE', async () => {
-        await fetch("http://localhost/api/ims/case/v1p0/CFPackages/70d27b782c062d1280b240890141dcf6")
+        await fetch(`${process.env.CASS_LOOPBACK || "http://localhost/api/"}ims/case/v1p0/CFPackages/70d27b782c062d1280b240890141dcf6`)
     }).timeout(10000);
 
     it('ACT Collective Problem Solving import', async()=>{
-        await fetch("http://localhost/api/ims/case/harvest?caseEndpoint=https://opensalt.net&dId=f0e7396a-7edd-11e9-86d4-23cb22a51e7e")
+        await fetch(`${process.env.CASS_LOOPBACK || "http://localhost/api/"}ims/case/harvest?caseEndpoint=https://opensalt.net&dId=f0e7396a-7edd-11e9-86d4-23cb22a51e7e`)
     }).timeout(30000);
 });
\ No newline at end of file
diff --git a/src/main/server/adapter/ceasn/ceasn.test.js b/src/main/server/adapter/ceasn/ceasn.test.js
index 1989b133d..37f436444 100644
--- a/src/main/server/adapter/ceasn/ceasn.test.js
+++ b/src/main/server/adapter/ceasn/ceasn.test.js
@@ -24,41 +24,40 @@ describe("CEASN Adapter", function() {
     this.timeout(30000);
 
     before(async ()=>{
-        try{
-            await fetch("http://localhost/api/data/70d27b782c062d1280b240890141dcf6");
-        }
-        catch(err){
+        try {
+            await fetch(`${process.env.CASS_LOOPBACK || "http://localhost/api/"}data/70d27b782c062d1280b240890141dcf6`);
+        } catch (err) {
             console.log('doing things');
             let onet = await (await fetch("https://www.onetcenter.org/ctdlasn/graph/ce-07c25f74-9119-11e8-b852-782bcb5df6ac")).json();
             console.log('onet', onet);
             const formData = new FormData();
-            formData.append('data',JSON.stringify(onet));
-            await fetch("http://localhost/api/ctdlasn",{method: 'POST', body: formData});
+            formData.append('data', JSON.stringify(onet));
+            await fetch("http://localhost/api/ctdlasn", {method: 'POST', body: formData});
         }
     });
 
     it('conversion to CEASN', async () => {
-        await fetch("http://localhost/api/ceasn/70d27b782c062d1280b240890141dcf6")
+        await fetch(`${process.env.CASS_LOOPBACK || "http://localhost/api/"}ceasn/70d27b782c062d1280b240890141dcf6`)
     }).timeout(30000);
-    
+
     it('conversion from CEASN', async () => {
         let repo = new EcRepository();
-        repo.selectedServer = "http://localhost/api/";
+        repo.selectedServer = process.env.CASS_LOOPBACK || "http://localhost/api/";
         let onet = await (await fetch("https://www.onetcenter.org/ctdlasn/graph/ce-07c264d7-9119-11e8-b852-782bcb5df6ac")).json();
         const formData = new FormData();
-        formData.append('data',JSON.stringify(onet));
-        await fetch("http://localhost/api/ctdlasn",{method: 'POST', body: formData});
+        formData.append('data', JSON.stringify(onet));
+        await fetch(`${process.env.CASS_LOOPBACK || "http://localhost/api/"}ctdlasn`, {method: 'POST', body: formData});
         let framework = await EcRepository.get("https://www.onetcenter.org/ctdlasn/resources/ce-07c264d7-9119-11e8-b852-782bcb5df6ac");
         assert(framework != null, "Framework saved to CaSS.");
     }).timeout(30000);
 
     it('conversion from CEASN (Technology Skills)', async () => {
         let repo = new EcRepository();
-        repo.selectedServer = "http://localhost/api/";
+        repo.selectedServer = process.env.CASS_LOOPBACK || "http://localhost/api/";
         let onet = await (await fetch("https://www.onetcenter.org/ctdlasn/graph/ce-9fab4187-d8e7-11e9-8250-782bcb5df6ac")).json();
         const formData = new FormData();
-        formData.append('data',JSON.stringify(onet));
-        await fetch("http://localhost/api/ctdlasn",{method: 'POST', body: formData});
+        formData.append('data', JSON.stringify(onet));
+        await fetch(`${process.env.CASS_LOOPBACK || "http://localhost/api/"}ctdlasn`, {method: 'POST', body: formData});
         let framework = await EcRepository.get("https://www.onetcenter.org/ctdlasn/resources/ce-9fab4187-d8e7-11e9-8250-782bcb5df6ac");
         assert(framework != null, "Framework saved to CaSS.");
     }).timeout(300000);
diff --git a/src/main/server/skyRepo.test.js b/src/main/server/skyRepo.test.js
index d6de088c1..751477b83 100644
--- a/src/main/server/skyRepo.test.js
+++ b/src/main/server/skyRepo.test.js
@@ -23,7 +23,7 @@ describe('SkyRepo Adapter', function() {
   it('Server Move', async () => {
     // Initial creation.
     const repo1 = new EcRepository();
-    await repo1.init('http://localhost/api/');
+    await repo1.init(process.env.CASS_LOOPBACK || "http://localhost/api/");
     const thing = new schema.Thing();
     thing.name = 'A thing.';
     thing.generateId(repo1.selectedServer);
@@ -33,7 +33,7 @@ describe('SkyRepo Adapter', function() {
     // Wipe and create second repo link to alternate url.
     EcRepository.repos = [];
     const repo2 = new EcRepository();
-    await repo2.init('http://127.0.0.1/api/');
+    await repo2.init(process.env.CASS_LOOPBACK || `http://127.0.0.1:${PORT}/api/`);
 
     // Get from repo2. Falls back to search (in error case);
     const thingCopy2 = await EcRepository.get(canonicalUrl);
@@ -59,7 +59,7 @@ describe('SkyRepo Adapter', function() {
 
   it('Multiput', async () => {
     const repo = new EcRepository();
-    await repo.init('http://localhost/api/');
+    await repo.init(process.env.CASS_LOOPBACK || "http://localhost/api/");
 
     let thing1 = new schema.Thing();
     thing1.generateId(repo.selectedServer);