java.lang.IllegalArgumentException: Can't decode color null: please provide either an #ffffff or #fff hexadecimal value or a known named color.

at info.magnolia.imaging.util.ColorConverter.cantParse(ColorConverter.java:247)

at info.magnolia.imaging.util.ColorConverter.toColor(ColorConverter.java:63)

at info.magnolia.imaging.util.ColorConverterTest.assertFailsOnColor(ColorConverterTest.java:166)

at info.magnolia.imaging.util.ColorConverterTest.failsOnNull(ColorConverterTest.java:107)

at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)

at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)

at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)

at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)

at org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:168)

at org.junit.rules.RunRules.evaluate(RunRules.java:20)

at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)

at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)

at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)

at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)

at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)

at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)

at org.junit.runners.ParentRunner.run(ParentRunner.java:309)

at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283)

at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)

at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)

at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)

at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)

at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)

at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)