Update RadiologyModalityServiceComponentTest.java

[Tesla2678]

repaied a bug.

Description

    -expectedException.expectMessage("Reason for deletion cannot be empty");
    +expectedException.expectMessage(Context.getMessageSourceService()
    +      .getMessage("general.voidReason.empty"));

Related Issue

    -expectedException.expectMessage("Reason for deletion cannot be empty");
    +expectedException.expectMessage(Context.getMessageSourceService()
    +      .getMessage("general.voidReason.empty"));

openmrs-module-radiology/api/src/test/java/org/openmrs/module/radiology/modality/RadiologyModalityServiceComponentTest.java

Line 152 in 480e3f6

expectedException.expectMessage("Reason for deletion cannot be empty");

Checklist:

• My pull request only contains one single commit.
• My pull request is based on the latest master branch
  git pull --rebase upstream master.
• I ran mvn clean package right before creating this pull request and
  added all formatting changes to my commit.
• My code follows the code style of this project.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[dkayiwa]

@Tesla2678 did you see the travis build failure?