MrSID imageio-ext test fails on JDK 1.5 + gdal on Linux

Running org.geotools.coverageio.gdal.mrsid.MrSIDTest
25-ago-2009 9.45.58 org.geotools.coverageio.BaseGridCoverage2DReader <init>
GRAVE: Provided file does not exist or is a directory or is not readable!
org.geotools.data.DataSourceException: Provided file does not exist or is a directory or is not readable!
	at org.geotools.coverageio.BaseGridCoverage2DReader.checkSource(BaseGridCoverage2DReader.java:331)
	at org.geotools.coverageio.BaseGridCoverage2DReader.<init>(BaseGridCoverage2DReader.java:187)
	at org.geotools.coverageio.gdal.BaseGDALGridCoverage2DReader.<init>(BaseGDALGridCoverage2DReader.java:81)
	at org.geotools.coverageio.gdal.mrsid.MrSIDReader.<init>(MrSIDReader.java:76)
	at org.geotools.coverageio.gdal.mrsid.MrSIDFormat.getReader(MrSIDFormat.java:92)
	at org.geotools.coverageio.gdal.BaseGDALGridFormat.getReader(BaseGDALGridFormat.java:110)
	at org.geotools.coverageio.gdal.mrsid.MrSIDTest.test2(MrSIDTest.java:273)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)
	at org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98)
	at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79)
	at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87)
	at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)
	at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)
	at org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)
	at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)
	at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)
	at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)
	at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)
	at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)
	at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:62)
	at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140)
	at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127)
	at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345)
	at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009)
Tests run: 3, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.678 sec <<< FAILURE!
Running org.geotools.coverageio.gdal.jp2mrsid.JP2MrSIDTest
25-ago-2009 9.45.58 org.geotools.coverageio.gdal.BaseGDALGridCoverage2DReader setCoverageProperties
INFO: crs not found, proceeding with EPSG:4326
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.056 sec

Results :

Tests in error: 
  test2(org.geotools.coverageio.gdal.mrsid.MrSIDTest)