Create RuleLoaderExceptionTest.groovy

Add test coverage for rule loader exceptions

etor/src/test/groovy/gov/hhs/cdc/trustedintermediary/etor/ruleengine/RuleLoaderExceptionTest.groovy

@@ -0,0 +1,22 @@
+package gov.hhs.cdc.trustedintermediary.etor.ruleengine
+
+import gov.hhs.cdc.trustedintermediary.etor.messages.UnableToSendMessageException
+import gov.hhs.cdc.trustedintermediary.wrappers.HttpClientException
+import spock.lang.Specification
+
+class RuleLoaderExceptionTest extends Specification {
+    def "constructor works"() {
+        given:
+        def message = "rules loaded wrong!"
+        def cause = new HttpClientException(message, new IOException())
+
+        when:
+        def exceptionWithCause = new RuleLoaderException(message, cause)
+        def exceptionWithout = new RuleLoaderException(message)
+
+        then:
+        exceptionWithCause.getMessage() == message
+        exceptionWithCause.getCause() == cause
+        exceptionWithout.getMessage() == message
+    }
+}