If you run the unit tests on JDK7 the following failure occurs:

    [junit] Testsuite: javafx.scene.input.DataFormatTest
    [junit] Tests run: 28, Failures: 7, Errors: 0, Time elapsed: 0.093 sec
    [junit]
    [junit] Testcase: dataFormatsShouldBeFound[0](javafx.scene.input.DataFormatTest): FAILED
    [junit] expected same:<[text/plain]> was not:<[text/plain]>
    [junit] junit.framework.AssertionFailedError: expected same:<[text/plain]> was not:<[text/plain]>
    [junit] at javafx.scene.input.DataFormatTest.dataFormatsShouldBeFound(DataFormatTest.java:75)
    [junit]
    [junit]
    [junit] Testcase: dataFormatsShouldBeFound[1](javafx.scene.input.DataFormatTest): FAILED
    [junit] expected same:<[text/html]> was not:<[text/html]>
    [junit] junit.framework.AssertionFailedError: expected same:<[text/html]> was not:<[text/html]>
    [junit] at javafx.scene.input.DataFormatTest.dataFormatsShouldBeFound(DataFormatTest.java:75)
    [junit]
    [junit]
    [junit] Testcase: dataFormatsShouldBeFound[2](javafx.scene.input.DataFormatTest): FAILED
    [junit] expected same:<[text/rtf]> was not:<[text/rtf]>
    [junit] junit.framework.AssertionFailedError: expected same:<[text/rtf]> was not:<[text/rtf]>
    [junit] at javafx.scene.input.DataFormatTest.dataFormatsShouldBeFound(DataFormatTest.java:75)
    [junit]
    [junit]
    [junit] Testcase: dataFormatsShouldBeFound[3](javafx.scene.input.DataFormatTest): FAILED
    [junit] expected same:<[text/uri-list]> was not:<[text/uri-list]>
    [junit] junit.framework.AssertionFailedError: expected same:<[text/uri-list]> was not:<[text/uri-list]>
    [junit] at javafx.scene.input.DataFormatTest.dataFormatsShouldBeFound(DataFormatTest.java:75)
    [junit]
    [junit]
    [junit] Testcase: dataFormatsShouldBeFound[4](javafx.scene.input.DataFormatTest): FAILED
    [junit] expected same:<[application/x-java-rawimage]> was not:<[application/x-java-rawimage]>
    [junit] junit.framework.AssertionFailedError: expected same:<[application/x-java-rawimage]> was not:<[application/x-java-rawimage]>
    [junit] at javafx.scene.input.DataFormatTest.dataFormatsShouldBeFound(DataFormatTest.java:75)
    [junit]
    [junit]
    [junit] Testcase: dataFormatsShouldBeFound[5](javafx.scene.input.DataFormatTest): FAILED
    [junit] expected same:<[application/x-java-file-list, java.file-list]> was not:<[application/x-java-file-list, java.file-list]>
    [junit] junit.framework.AssertionFailedError: expected same:<[application/x-java-file-list, java.file-list]> was not:<[application/x-java-file-list, java.file-list]>
    [junit] at javafx.scene.input.DataFormatTest.dataFormatsShouldBeFound(DataFormatTest.java:75)
    [junit]
    [junit]
    [junit] Testcase: dataFormatsShouldBeFound[6](javafx.scene.input.DataFormatTest): FAILED
    [junit] expected same:<[Custom1, Custom2]> was not:<[Custom1, Custom2]>
    [junit] junit.framework.AssertionFailedError: expected same:<[Custom1, Custom2]> was not:<[Custom1, Custom2]>
    [junit] at javafx.scene.input.DataFormatTest.dataFormatsShouldBeFound(DataFormatTest.java:75)
    [junit]
    [junit]
    [junit] Test javafx.scene.input.DataFormatTest FAILED