diff --git a/_infrastructure/tests/runner.js b/_infrastructure/tests/runner.js
index 9d6830f67..81416ca01 100644
--- a/_infrastructure/tests/runner.js
+++ b/_infrastructure/tests/runner.js
@@ -1293,10 +1293,12 @@ var DT;
         process.exit(0);
     }
 
+    var testFull = process.env['TRAVIS_BRANCH'] ? /\w\/full$/.test(process.env['TRAVIS_BRANCH']) : false;
+
     new TestRunner(dtPath, {
         concurrent: argv['single-thread'] ? 1 : Math.max(cpuCores, 2),
         tscVersion: argv['tsc-version'],
-        testChanges: argv['test-changes'],
+        testChanges: testFull ? false : argv['test-changes'],
         skipTests: argv['skip-tests'],
         printFiles: argv['print-files'],
         printRefMap: argv['print-refmap'],
diff --git a/_infrastructure/tests/runner.ts b/_infrastructure/tests/runner.ts
index ad3a77909..5d4f42815 100644
--- a/_infrastructure/tests/runner.ts
+++ b/_infrastructure/tests/runner.ts
@@ -336,10 +336,12 @@ module DT {
 		process.exit(0);
 	}
 
+	var testFull = process.env['TRAVIS_BRANCH'] ? /\w\/full$/.test(process.env['TRAVIS_BRANCH']) : false;
+
 	new TestRunner(dtPath, {
 		concurrent: argv['single-thread'] ? 1 : Math.max(cpuCores, 2),
 		tscVersion: argv['tsc-version'],
-		testChanges: argv['test-changes'],
+		testChanges: testFull ? false : argv['test-changes'], // allow magic branch
 		skipTests: argv['skip-tests'],
 		printFiles: argv['print-files'],
 		printRefMap: argv['print-refmap'],