Update CI settings a little bit

.travis.yml

@@ -3,17 +3,8 @@ sudo: false
 
 node_js:
   - "node"
-  - "5.6"
+  - "5"
-  - "5.5"
+  - "4"
-  - "5.4"
-  - "5.3"
-  - "5.2"
-  - "5.1"
-  - "5.0"
-  - "4.3"
-  - "4.2"
-  - "4.1"
-  - "4.0"
 
 before_script:
   - npm install -g gulp

test/adapters/node-firebird_test.js

@@ -10,6 +10,11 @@
 	const testRunner = testBase.testRunner;
 	const promiseTestRunner = testBase.promiseTestRunner;
 
+	// Skip on CI
+	if (process.env.CI || process.env.TRAVIS) {
+		return;
+	}
+
 	// Load the test config file
 	let adapterName = 'node-firebird';
 	let Firebird = reload(adapterName);
@@ -19,11 +24,6 @@
 
 	let qb = nodeQuery.getQuery();
 
-	// Skip on TravisCi
-	if (process.env.CI) {
-		return;
-	}
-
 	suite('Firebird adapter tests -', () => {
 		test('nodeQuery.getQuery = nodeQuery.init', () => {
 			expect(nodeQuery.getQuery())