Fix LoggingSystem tests following System property changes

spring-boot/src/main/java/org/springframework/boot/logging/LoggingApplicationListener.java

@@ -120,17 +120,17 @@ public class LoggingApplicationListener implements GenericApplicationListener {
 	public static final String LOG_PATH = "LOG_PATH";
 
 	/**
-	 * The name of the System property that contains the console log pattern
+	 * The name of the System property that contains the console log pattern.
 	 */
 	public static final String CONSOLE_LOG_PATTERN = "CONSOLE_LOG_PATTERN";
 
 	/**
-	 * The name of the System property that contains the file log pattern
+	 * The name of the System property that contains the file log pattern.
 	 */
 	public static final String FILE_LOG_PATTERN = "FILE_LOG_PATTERN";
 
 	/**
-	 * The name of the System property that contains the log level pattern
+	 * The name of the System property that contains the log level pattern.
 	 */
 	public static final String LOG_LEVEL_PATTERN = "LOG_LEVEL_PATTERN";
 

spring-boot/src/test/java/org/springframework/boot/logging/AbstractLoggingSystemTests.java

 /*
- * Copyright 2012-2014 the original author or authors.
+ * Copyright 2012-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -62,7 +62,9 @@ public abstract class AbstractLoggingSystemTests {
 	}
 
 	protected final LogFile getLogFile(String file, String path) {
-		return new LogFile(file, path);
+		LogFile logFile = new LogFile(file, path);
+		logFile.applyToSystemProperties();
+		return logFile;
 	}
 
 	protected final String tmpDir() {

spring-boot/src/test/java/org/springframework/boot/logging/LoggingApplicationListenerTests.java

@@ -426,7 +426,7 @@ public class LoggingApplicationListenerTests {
 	@Test
 	public void systemPropertiesAreSetForLoggingConfiguration() {
 		EnvironmentTestUtils.addEnvironment(this.context,
-				"logging.exception-conversion-word=conversion", "logging.file=file",
+				"logging.exception-conversion-word=conversion", "logging.file=target/log",
 				"logging.path=path", "logging.pattern.console=console",
 				"logging.pattern.file=file", "logging.pattern.level=level");
 		this.initializer.initialize(this.context.getEnvironment(),
@@ -435,7 +435,7 @@ public class LoggingApplicationListenerTests {
 		assertThat(System.getProperty("FILE_LOG_PATTERN"), is(equalTo("file")));
 		assertThat(System.getProperty("LOG_EXCEPTION_CONVERSION_WORD"),
 				is(equalTo("conversion")));
-		assertThat(System.getProperty("LOG_FILE"), is(equalTo("file")));
+		assertThat(System.getProperty("LOG_FILE"), is(equalTo("target/log")));
 		assertThat(System.getProperty("LOG_LEVEL_PATTERN"), is(equalTo("level")));
 		assertThat(System.getProperty("LOG_PATH"), is(equalTo("path")));
 		assertThat(System.getProperty("PID"), is(not(nullValue())));