Fix DockerComposeFileTests on Windows

Author: mhalbritter

spring-boot-project/spring-boot-docker-compose/src/test/java/org/springframework/boot/docker/compose/core/DockerComposeFileTests.java

@@ -70,17 +70,17 @@ void toStringReturnsFileNameList() throws Exception {
 
 	@Test
 	void findFindsSingleFile() throws Exception {
-		File file = new File(this.temp, "docker-compose.yml");
+		File file = new File(this.temp, "docker-compose.yml").getCanonicalFile();
 		FileCopyUtils.copy(new byte[0], file);
 		DockerComposeFile composeFile = DockerComposeFile.find(file.getParentFile());
 		assertThat(composeFile.getFiles()).containsExactly(file);
 	}
 
 	@Test
 	void findWhenMultipleFilesPicksBest() throws Exception {
-		File f1 = new File(this.temp, "docker-compose.yml");
+		File f1 = new File(this.temp, "docker-compose.yml").getCanonicalFile();
 		FileCopyUtils.copy(new byte[0], f1);
-		File f2 = new File(this.temp, "compose.yml");
+		File f2 = new File(this.temp, "compose.yml").getCanonicalFile();
 		FileCopyUtils.copy(new byte[0], f2);
 		DockerComposeFile composeFile = DockerComposeFile.find(f1.getParentFile());
 		assertThat(composeFile.getFiles()).containsExactly(f2);