Minor changes

Author: abhargav-mw

src/main/java/com/mathworks/ci/UseMatlabVersionBuildWrapper.java

@@ -2,10 +2,10 @@
 
 /**
  * Copyright 2019-2020 The MathWorks, Inc.
- * 
+ *
  * This class is BuildWrapper which accepts the "matlabroot" from user and updates the PATH varible with it.
  * which could be later used across build.
- * 
+ *
  */
 
 import java.io.File;
@@ -34,7 +34,7 @@
 
 public class UseMatlabVersionBuildWrapper extends SimpleBuildWrapper {
 
-	private String matlabRootFolder;
+    private String matlabRootFolder;
     private EnvVars env;
     private String matlabInstallationName;
 

src/test/java/com/mathworks/ci/MatlabInstallationTest.java

@@ -83,7 +83,8 @@ private MatlabInstallation setMatlabInstallation(String name, String home) {
     }
 
     private MatlabInstallation[] getMatlabInstallation(){
-        return matlabInstDescriptor.getInstallations();
+        // static method to return all installations
+        return MatlabInstallation.getAll();
     }
 
     /*